Japanese Phrases for Jam Sessions: A Practical Musician’s Guide

You do not need fluent Japanese to join many jam sessions in Japan. A small set of Japanese phrases for jam sessions can help you check in, identify your instrument, confirm the tune and key, follow the form, understand solo order, and ask for clarification before the count-in.

The most useful phrases are short. Say the Japanese, show the chart or song title, and confirm the answer with a gesture or written note. Music still carries much of the conversation, but a precise question can prevent the whole group from starting in different keys or expecting different endings.

This is a participation-language guide, not a general glossary of the Japanese live-music business. For booking, load-in, soundcheck, ticket and settlement terms, use our Japanese live house vocabulary guide. If you still need to choose an event and understand how turns work, begin with How to Join a Jam Session in Tokyo.

The 12 phrases to learn first

If you only have time to save one section, use this list.

Situation	Japanese	Romanization	Meaning
Check in	セッションに参加したいです。	Sesshon ni sanka shitai desu.	I would like to join the jam session.
Give your role	ギターで参加します。	Gitā de sanka shimasu.	I am joining on guitar.
Ask the tune	次は何の曲ですか？	Tsugi wa nan no kyoku desu ka?	What is the next tune?
Ask the key	キーは何ですか？	Kī wa nan desu ka?	What key is it in?
State the key	キーはEフラットです。	Kī wa ī furatto desu.	The key is E-flat.
Ask the tempo	テンポはどれくらいですか？	Tenpo wa dore kurai desu ka?	About what tempo is it?
Request a count	カウントをお願いします。	Kaunto o onegaishimasu.	Please give us a count-in.
Ask for a chart	譜面はありますか？	Fumen wa arimasu ka?	Is there a chart?
Confirm your turn	次は私ですか？	Tsugi wa watashi desu ka?	Am I next?
Decline a solo	ソロはパスします。	Soro wa pasu shimasu.	I will pass on the solo.
Ask for repetition	もう一度お願いします。	Mō ichido onegaishimasu.	One more time, please.
Ask for slower speech	ゆっくり話していただけますか？	Yukkuri hanashite itadakemasu ka?	Could you speak slowly?

Do not try to deliver every sentence with perfect pronunciation. The title of the tune, the key, the form, and a clear yes or no matter more than sounding advanced.

Check in and identify your part

Registration systems vary by event. Some sessions accept walk-ins, while others manage reservations and limits by instrument. The current Tokyo Club jam-session FAQ tells participants to give their name and pay at reception, and it lists part-specific capacity for some events. Treat that as one venue’s current system, not a rule for every jam in Japan.

Use these phrases at the desk or with the host:

受付はどこですか？
Uketsuke wa doko desu ka?
Where is the check-in desk?

予約したアレックスです。
Yoyaku shita Arekkusu desu.
I’m Alex, and I have a reservation.

セッションに参加したいです。
Sesshon ni sanka shitai desu.
I would like to join the jam session.

見学だけでも大丈夫ですか？
Kengaku dake demo daijōbu desu ka?
Is it okay if I only watch?

For your role, the simple pattern [instrument] で参加します means “I am joining on [instrument].”

Part	Japanese	Example
Guitar	ギター (gitā)	ギターで参加します。
Bass	ベース (bēsu)	ベースで参加します。
Drums	ドラム (doramu)	ドラムで参加します。
Piano	ピアノ (piano)	ピアノで参加します。
Vocals	ボーカル (bōkaru)	ボーカルで参加します。
Saxophone	サックス (sakkusu)	サックスで参加します。
Trumpet	トランペット (toranpetto)	トランペットで参加します。

If you play more than one part, do not assume you may switch freely. Ask:

ギターとボーカル、両方で参加できますか？
Gitā to bōkaru, ryōhō de sanka dekimasu ka?
Can I participate on both guitar and vocals?

Ask what tune is next

The host may announce a title quickly or use a Japanese pronunciation of an English title. Repeat the title and show it on your phone or chart when necessary.

次は何の曲ですか？
Tsugi wa nan no kyoku desu ka?
What is the next tune?

この曲をやってもいいですか？
Kono kyoku o yatte mo ii desu ka?
May we play this tune?

曲名を書いてもらえますか？
Kyokumei o kaite moraemasu ka?
Could you write down the song title?

この曲は知っています。
Kono kyoku wa shitte imasu.
I know this tune.

この曲は初めてです。
Kono kyoku wa hajimete desu.
This is my first time playing this tune.

“I know the tune” can mean different things to different players. If you only know the melody or a common recording, say so. The group may be using a different arrangement.

メロディーは知っていますが、このアレンジは初めてです。
Merodī wa shitte imasu ga, kono arenji wa hajimete desu.
I know the melody, but this arrangement is new to me.

Confirm the key and transposition

Ask the key before discussing the details of the arrangement. For a singer, horn player, or any tune commonly played in several keys, show the key in writing too.

キーは何ですか？
Kī wa nan desu ka?
What key is it in?

原曲キーですか？
Genkyoku kī desu ka?
Is it in the original key?

キーはCです。
Kī wa shī desu.
The key is C.

キーはBフラットです。
Kī wa bī furatto desu.
The key is B-flat.

Common spoken note names use English-derived sounds: C is シー (shī), D is ディー (dī), E is イー (ī), F is エフ (efu), G is ジー (jī), A is エー (ē), and B is ビー (bī). “Sharp” is シャープ (shāpu) and “flat” is フラット (furatto).

For a change of key:

半音上げてもいいですか？
Hanon agete mo ii desu ka?
May we raise it by a semitone?

半音下げてもいいですか？
Hanon sagete mo ii desu ka?
May we lower it by a semitone?

このキーならできます。
Kono kī nara dekimasu.
I can do it in this key.

Do not rely on the spoken note name alone in a noisy room. Point to the key on the lead sheet, especially when B, D, and E could be misheard.

Set the tempo and count-in

Words such as “medium” and “fast” are approximate. Tap the pulse, use a metronome display, or sing a short pickup when the exact feel matters.

テンポはどれくらいですか？
Tenpo wa dore kurai desu ka?
About what tempo is it?

もう少しゆっくりお願いします。
Mō sukoshi yukkuri onegaishimasu.
A little slower, please.

もう少し速くても大丈夫です。
Mō sukoshi hayakute mo daijōbu desu.
A little faster is okay.

このテンポで大丈夫です。
Kono tenpo de daijōbu desu.
This tempo is fine.

カウントをお願いします。
Kaunto o onegaishimasu.
Please give us a count-in.

イントロは何小節ですか？
Intoro wa nan shōsetsu desu ka?
How many bars is the intro?

Before playing, confirm who gives the count. A spoken “one, two, one-two-three-four,” a stick click, and a visual nod can imply different pickups if the arrangement is not clear.

Talk about the form and chart

譜面 (fumen) is a broad practical word for written music or a chart. コード進行 (kōdo shinkō) means chord progression, and 小節 (shōsetsu) means measure or bar.

譜面はありますか？
Fumen wa arimasu ka?
Is there a chart?

譜面を見てもいいですか？
Fumen o mite mo ii desu ka?
May I look at the chart?

コード進行を確認してもいいですか？
Kōdo shinkō o kakunin shite mo ii desu ka?
May I check the chord progression?

ここは何小節ですか？
Koko wa nan shōsetsu desu ka?
How many bars is this section?

頭からもう一度お願いします。
Atama kara mō ichido onegaishimasu.
From the top one more time, please.

Useful section words include イントロ (intoro, intro), テーマ (tēma, the main theme or head in a jazz context), Aメロ (ē mero, A section or first verse-like section), Bメロ (bī mero, B section), サビ (sabi, chorus or hook section), 間奏 (kansō, instrumental interlude), and エンディング (endingu, ending).

These labels are not interchangeable across every genre. A jazz player may use “theme” and “chorus,” while a pop musician may use A-melody, B-melody, and sabi. Point to the chart and describe the actual route rather than expecting one label to settle the arrangement.

テーマのあと、ソロですか？
Tēma no ato, soro desu ka?
Is the solo after the theme?

サビに戻りますか？
Sabi ni modorimasu ka?
Do we return to the chorus?

エンディングを確認したいです。
Endingu o kakunin shitai desu.
I would like to confirm the ending.

Confirm solos and trading

ソロ回し (soro-mawashi) is the passing of solo turns among players. The host may signal each person rather than announce a complete order.

ソロの順番はどうしますか？
Soro no junban wa dō shimasu ka?
What shall we do for the solo order?

次は私ですか？
Tsugi wa watashi desu ka?
Am I next?

次、お願いします。
Tsugi, onegaishimasu.
You’re next, please.

もう一コーラスお願いします。
Mō hitokōrasu onegaishimasu.
One more chorus, please.

ソロはパスします。
Soro wa pasu shimasu.
I will pass on the solo.

フォーバースをやりますか？
Fō bāsu o yarimasu ka?
Are we trading fours?

Passing is better than taking a solo you do not understand. Make eye contact, give a small shake of the head, and say パスします before the next chorus begins.

Ask about cues and the ending

A musical cue may be easier to show than to describe. Ask who gives it and what it controls.

合図をお願いします。
Aizu o onegaishimasu.
Please give me a cue.

エンディングの合図は誰が出しますか？
Endingu no aizu wa dare ga dashimasu ka?
Who gives the ending cue?

ここで止まりますか？
Koko de tomarimasu ka?
Do we stop here?

最後は伸ばしますか？
Saigo wa nobashimasu ka?
Do we hold the last note?

最後はキメですか？
Saigo wa kime desu ka?
Is there a final hit?

キメ (kime) can mean an arranged accent, stop, or coordinated figure. Ask the group to play or sing the exact figure if it is not written.

Ask about instruments and equipment

Equipment availability is venue-specific. Tokyo Club’s current FAQ lists house instruments and backline but tells participants to bring other instruments; BECK Akihabara’s current visitor page says certain instruments can be borrowed when requested. Confirm your exact event rather than assuming that “jam session” includes the same gear everywhere.

このアンプを使ってもいいですか？
Kono anpu o tsukatte mo ii desu ka?
May I use this amplifier?

マイクをお借りできますか？
Maiku o okari dekimasu ka?
May I borrow a microphone?

シールドはありますか？
Shīrudo wa arimasu ka?
Is there an instrument cable?

入力はどこですか？
Nyūryoku wa doko desu ka?
Where is the input?

音量はこれくらいで大丈夫ですか？
Onryō wa kore kurai de daijōbu desu ka?
Is this volume okay?

セッティングに少し時間がかかります。
Settingu ni sukoshi jikan ga kakarimasu.
Setup will take a little time.

For a separate room before the event, see where musicians can practice while traveling in Japan. A rehearsal studio and a hosted jam solve different problems.

Repair communication when you do not understand

The safest response is not a vague smile. Stop briefly, name what you missed, and confirm it.

すみません、もう一度お願いします。
Sumimasen, mō ichido onegaishimasu.
Sorry, one more time, please.

ゆっくり話していただけますか？
Yukkuri hanashite itadakemasu ka?
Could you speak slowly?

日本語があまり話せません。
Nihongo ga amari hanasemasen.
I do not speak much Japanese.

英語でも大丈夫ですか？
Eigo demo daijōbu desu ka?
Is English okay?

書いてもらえますか？
Kaite moraemasu ka?
Could you write it down?

ここですか？
Koko desu ka?
Is it here?

これで合っていますか？
Kore de atte imasu ka?
Is this correct?

Then close the loop with わかりました (wakarimashita, “understood”) or repeat the key information: キーはF、イントロは4小節ですね (Kī wa efu, intoro wa yon shōsetsu desu ne — “The key is F and the intro is four bars, right?”).

Refuse or step back politely

You can protect the music and the other players without giving a long explanation.

すみません、この曲はできません。
Sumimasen, kono kyoku wa dekimasen.
Sorry, I can’t play this tune.

今回は見学します。
Konkai wa kengaku shimasu.
I’ll observe this time.

このキーならできます。
Kono kī nara dekimasu.
I can do it in this key.

もう少し簡単な曲はありますか？
Mō sukoshi kantan na kyoku wa arimasu ka?
Is there a slightly easier tune?

次の曲から参加します。
Tsugi no kyoku kara sanka shimasu.
I’ll join from the next tune.

At a hosted session, tell the host rather than disappearing from the lineup. Tokyo Club’s FAQ explicitly invites participants to ask the host about suitable songs and session-specific differences. Other organizers may handle changes differently, so follow the current instructions for that event.

A 30-second pre-song confirmation

Use this order when musicians have just met:

曲 — tune: “この曲で大丈夫ですか？” (Is this tune okay?)
キー — key: “キーはBフラットです。” (The key is B-flat.)
テンポ — tempo: tap or show the BPM.
イントロ — intro: who begins and how many bars.
フォーム — form: where solos start and where the theme returns.
ソロ順 — solo order: point to each player.
エンディング — ending: cue, held note, fade, or final hit.
カウント — count-in: identify who starts.

That sequence is more reliable than trying to translate a long arrangement speech. If the form is complicated, use a chart.

Save this quick-reference card

SESSION CHECK-IN
セッションに参加したいです。
Sesshon ni sanka shitai desu.

TUNE / KEY / TEMPO
次は何の曲ですか？ Tsugi wa nan no kyoku desu ka?
キーは何ですか？ Kī wa nan desu ka?
テンポはどれくらいですか？ Tenpo wa dore kurai desu ka?

FORM / SOLO / ENDING
譜面はありますか？ Fumen wa arimasu ka?
ソロの順番はどうしますか？ Soro no junban wa dō shimasu ka?
エンディングを確認したいです。 Endingu o kakunin shitai desu.

CLARIFICATION
もう一度お願いします。 Mō ichido onegaishimasu.
ゆっくり話していただけますか？ Yukkuri hanashite itadakemasu ka?
書いてもらえますか？ Kaite moraemasu ka?

PASS
ソロはパスします。 Soro wa pasu shimasu.
今回は見学します。 Konkai wa kengaku shimasu.

Keep the Japanese script visible. It is often easier for a host to read the intended phrase than to identify unfamiliar romanized pronunciation in a loud room.

Common mistakes

Memorizing words without confirming the arrangement

Knowing key, tempo, and solo does not confirm the number of bars or the ending. Ask in a sequence and point to the chart.

Assuming English loanwords have one fixed meaning

Words such as chorus, theme, session, and live can be used differently by genre and context. Confirm the actual musical action.

Saying yes when you mean “I partly understand”

Use ここですか？ (“Is it here?”) or repeat the key and form. A short repair before the count-in is easier than stopping the band later.

Treating one venue’s rules as a national standard

Current official pages show different approaches. Jazz.Tokyo describes specific recurring jazz formats, Tokyo Club publishes a detailed reservation and preparation FAQ, and BECK Akihabara advertises a drop-in visitor experience on certain days. Recheck the event page, date, eligible parts, reservation requirement, fee, repertoire, and equipment.

Using phrases as a substitute for listening

Watch the host, drummer, bassist, and singer. Musical eye contact, breathing, stick position, and body movement often communicate the entrance or ending faster than a sentence.

Frequently asked questions

Do Japanese jam sessions require Japanese?

There is no universal language requirement. English support and the host’s communication style vary by event. Choose a session whose current page welcomes visitors, send a concise question if needed, and bring written song, key, and chart information.

Should I use polite Japanese or casual Japanese?

The phrases in this guide use polite forms suitable for a first meeting. On stage, musicians often shorten them—キーは？ (“Key?”) or 次、私？ (“Me next?”)—but beginning with the polite version is safer.

How do I pronounce long vowels such as ō or ī?

Hold the vowel slightly longer. Romanization is only an aid; show the Japanese text when pronunciation is unclear. Note names and song titles are especially easy to mishear in a loud room.

What if I cannot read a Japanese chart?

Ask whether a lead sheet or chord chart is available, identify the key, and confirm the form. If the notation or instructions remain unclear, pass on that tune and observe. Do not pretend to understand a safety- or equipment-related instruction.

Are these phrases only for jazz?

No. Check-in, key, tempo, count-in, equipment, clarification, and refusal phrases work across many genres. Terms such as “theme,” “chorus,” and “trading fours” are more jazz-specific, so use only the section that matches the event.

Can I use the phrases at an open mic?

Some are useful, especially for key, equipment, and sound communication. An open mic usually centers on a prepared performer slot rather than shared improvisation. See our Tokyo open-mic guide before treating it like a jam.

Final recommendation

Learn the shortest phrase for each decision: tune, key, tempo, form, solo, ending, equipment, and clarification. Put the Japanese script on your phone, carry a readable chart, and repeat the answer back. If you are unsure, pass on one tune and listen.

The goal is not to perform perfect Japanese. It is to make the next musical action clear enough that everyone can start—and finish—the same song together. After the session, use our guide to finding musicians in Tokyo if you want to turn a good musical connection into a future rehearsal.

Sources checked

These sources were reviewed on October 14, 2026. Venue details can change, so confirm the current event page before attending.

The phrase translations and romanization are editorial explanations for practical communication, not a venue-issued glossary.