Cadenzas or cadenza-like passages are often written
with an arbitrary number of notes per measure.
One way to accomplish this is to use a
tuplet
with the appropriate number of notes.
score time = 3/4 music 1: { [cue]... 16g- bm;b-;c;d;e;f;g;a;b;a;g;f;e;d;c;b-;g- ebm;} 17n,2.; bar