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Arranger Lab

An arranger keyboard,
on your computer.

Arranger Lab plays the accompaniment styles you already have, Yamaha style files and Korg Pa style banks, and follows the chords you play with your left hand. Drums, bass and the rest come in with intros, variations, fills and endings at your fingertips.

Request access (Mac beta) iPhone & iPad: coming soon

By invitation while in beta: sign in with Google and ask, and we'll email you when you can download it. Mac: Apple Silicon, macOS 13 or later.

Arranger Lab on the Mac: the style display, the part mixer, the style controls and a keyboard holding an A minor chord
Arranger Lab on the Mac, mid-song. The style names are examples.
Arranger Lab on iPad: the style, chord and tempo display, the variation, intro, fill and ending pads, and the start/stop button Arranger Lab on iPhone in landscape: the chord card, the variation pads and the intro, fill, break and ending buttons
On iPad and iPhone, in landscape. It also runs as an Audio Unit inside AUM, GarageBand and other hosts.

What it does

Plays the styles you own

Open Yamaha style files and Korg Pa style banks and play them as they were written: every part, every section, following your chords.

Real drums from Audio Styles

Yamaha Audio Styles bring their recorded drum tracks, and Arranger Lab stretches them to your tempo as you play.

A panel made for playing

Intros, four variations, fills, break and endings, synchro start and tap tempo. Play chords on any MIDI keyboard and the band follows.

Your sounds

Load the General MIDI SoundFont you like for the band and your right hand, and set each part's level or mute it.

Bring your own styles

Arranger Lab comes with no styles. It opens files you own: the styles from your keyboard or ones you bought. On the Mac you add a SoundFont of your choice (free General MIDI SoundFonts work well); on iPhone and iPad it comes with GeneralUser GS, a complete General MIDI set, and takes your own SoundFonts too.

Get it

Mac

Beta, by invitation

Apple Silicon, macOS 13 or later. Sign in with your Google account and request access; once we approve it, the download appears on the same page. Unzip it and move Arranger Lab to Applications, then sign in to the app with the same account. Prefer to write? Email support@digital-strings.com.

Request access

iPhone & iPad

Coming soon

iOS 16 or later.

Windows

Later

After the Mac beta.