About this site

Thanks for visiting this site!

When composing piano scores, it was quite challenging to create both the right-hand melody and left-hand accompaniment.

To minimize these effort , I created this website.

On this website, we aim to make it easier for everyone to write scores from chord input, automatically generating accompaniments.

The compositions you create can be played in your browser and downloaded in MIDI/MusicXML formats.

How to use

Composition page : You cancompose music simply by entering song details and chords.

The sheet music you create can be modified and deleted in a way that no one else can see.

Deleted songs can be restored at any time.

Anyway, please try Demo!!

Key

C,C#,Db,D,D#,Eb,E,F,F#,Gb,G,G#,Ab,A,A#,Bb,B.

Chord

  • Over 900 chords are avairable.
    Chord Index
  • If you want to specify a bass note, please use '/' as in: Example: Eb7/Bb.
  • If you want to input only the octave, type something like '/C'.
  • Please enter 'N.C.' in the case of a rest symbol.

Example

Canon chord progression.

You can use Midi and MusicXML file on composition software.

Sample

Membership

Free members download Midi files.

Subscribed members can download MusicXML files, and compose more long song and 3/4 time signature and input every beat.

Guest Free member
¥0/month
Subscribed member
¥550/month
* about 3.7 Doll
Composition Attention*1 OK OK
Length 12 measures 24 measures 60 measures
Beat Every 2 beats Every 2 beats Evert 1 beat
Time signature Only 4/4 Only 4/4 Both 3/4, 4/4
Arrange*2 NG OK OK
Play on browser OK OK OK
MIDI NG OK OK
MusicXML NG NG OK

*1 : Guest cannot update pieces you composed. Pieces will be deleted over time automatically.

*2 : You can choice phrase from patterns : Pop-music arrange, chords and key note.

Other

Please contact me or share your feature requests on Twitter or my blog

And HERE you can supportdeveloper!!