The composite filter can be used to extract the composite rhythm of a multi-voices score or multi-part score.

Here is an example of a score with two parts:

Each part has a different rhythm. The composite filter collapses the note attacks of each part into a single rhythmic pattern.

Placing composite rhythm below system

Use the -p option to place the composite rhythm staff below the existing musical system:

Placing composite rhythm above system

Use the -a option to place the composite rhythm staff above the existing musical system:

Beaming

By default, the rhythms of the composite rhythm will not be beamed:

Add the -b option to beam the notes according to the time signature:

Grace notes

Grace notes are included in the composite rhythm analysis:

but grace notes can be removed from the composite rhythm analysis with the -G option:

Pitch of composite rhythm notes

The --pitch option can set the pitch of the composite note.