assert(fabs(a->time_seconds - b->time_seconds) <= 0.01);
assert(a->track_number == b->track_number);
assert(a->midi_buffer_length == b->midi_buffer_length);
assert(fabs(a->time_seconds - b->time_seconds) <= 0.01);
assert(a->track_number == b->track_number);
assert(a->midi_buffer_length == b->midi_buffer_length);