Your AI big band arranger
Upload a lead sheet and get a big band chart: sax section, trumpets, trombones and rhythm section, with written backgrounds, voiced shout sections and chord symbols on the rhythm parts.
Free 16-bar preview, then a fixed quote. No subscription.
A standard big band, or your band
Pick "Big band / chamber" and write your line-up in the notes, for example "5 saxes, 4 trumpets, 4 trombones, guitar, piano, bass, drums" or a smaller rehearsal band. The plan shows the exact instrument list before anything is written.
Swing, Latin, ballads and odd meters
Choose a style (swing, jazz waltz, Latin or bossa, ballad, funk and others) and tell it where the solos go. Drum parts carry the groove and fills, bass parts can walk or play in two, and piano and guitar get chord symbols.
Parts your section can read
Alto, tenor and baritone sax parts are transposed for E♭ and B♭, trumpets for B♭, and every part has rehearsal marks and dynamics. The MuseScore file lets you fix any voicing yourself.
How it works
Upload your chart
A lead sheet, piano chart or sketch as PDF, JPG or PNG. Pick the ensemble and style, and add notes (instruments, tempo, solos, length).
Check the plan
AiHud reads the chart and shows what it found (key, meter, tempo, form) and a section-by-section plan: who plays the melody, backgrounds, intro, ending. Ask for changes before anything is written.
Hear a free 16-bar preview
You get the first 16 bars as a watermarked score, parts and audio mockup. Not right? Write what to change and get a revised preview (up to 2 revised previews are free).
Accept the quote, get the full arrangement
You see a fixed price based on the size of the piece. Pay with PayPal and we email you a download link when the full arrangement is ready.
What you get
Full score (PDF)
Engraved conductor score with title, composer and "Arranged by" credit, rehearsal marks, dynamics and chord symbols on the rhythm parts.
Transposed parts (PDF)
One PDF per player, already transposed (B♭ clarinet and trumpet, F horn, E♭ alto sax ...), plus one combined parts book.
Editable MuseScore file (.mscz)
Open it in the free MuseScore Studio to change notes, layout or dynamics yourself, and to hear it with your own playback sounds.
MusicXML
Import into Sibelius, Finale, Dorico or any notation program.
MP3 mockup
A reference recording made with openly licensed sample libraries, so you can hear the arrangement before rehearsal.
Pricing
16-bar preview, one per person
- Plan with the key, meter, tempo and form we read
- Engraved score and transposed parts
- Audio mockup
- Up to 2 revised previews from your notes
Full arrangement, priced by length and players
- You see the exact price before paying
- Pay with PayPal, no subscription
- Score, parts, .mscz, MusicXML, MP3
- Download links valid 90 days
Questions
Does it write solo sections?
Yes. Ask for open solos (with chord changes in the soloist part) or for written solis. The plan shows which instrument solos and for how long.
Can I use it for a school jazz band?
Yes. Write the level and any range limits in the notes (for example "trumpet 1 no higher than written G5") and the plan will follow them.
How much does it cost?
The 16-bar preview is free (one per person). After the preview you get a fixed-price quote for the full arrangement, based on its length and the number of players. Quotes start at $19. Nothing is charged until you accept the quote and pay with PayPal.
What do I upload?
A lead sheet, piano score or handwritten sketch as PDF, JPG or PNG (up to 10 pages, 20 MB). Clean, printed charts give the best results. You can add notes about instruments, tempo, key, solos and length.
What if the preview is not right?
Use "Request changes" under the preview. Describe what is wrong (for example "this tune is in 7/4" or "give the melody to the trumpet in the bridge"). You get a revised plan and a new preview. Up to 2 revised previews are free.
Can it handle odd meters and meter changes?
Yes. The plan shows the time signature(s) it read from your chart, bar by bar, so you can correct them before the preview. 5/4, 7/4, 7/8, 12/8 and changes between meters are written into the score, the parts and the audio.
Which file formats do I get?
A full score PDF, transposed part PDFs, an editable MuseScore file (.mscz), MusicXML for Sibelius, Finale or Dorico, and an MP3 mockup.
Who owns the arrangement?
You may use the delivered arrangement for your own performances, rehearsals and teaching. You must have the right to arrange the tune: it is your own, in the public domain, or you hold an arranging licence. See the Terms.
How good is the audio?
The MP3 is a reference mockup rendered with openly licensed sample libraries. The notation is the product. Open the .mscz in the free MuseScore Studio to hear it with richer playback on your own computer.
Is a person involved?
The arrangement is written by an AI arranger that follows a fixed toolchain and checks its own output (ranges, bar lengths, engraving). You review the plan and the preview before you pay.