A cluster is defined as a group of notes and/or rests that are tied together using a beam or in a few cases a tuplet marker. MusiCAD decides which notes ought to get clustered by means of the tune's time signature and the duration of the notes within bars. Occasionally you will want to alter the default clustering.
Using <,> or from the note-properties menu, will cluster two separate notes or clusters.
Using <'> can de-cluster succeeding notes. The buttonbar's alternative is in the note-properties menu. ( ).