Copies a range of events from one music track and inserts them into another music track.
- iOS 5.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
The music track that you want to copy events from.
The start time, in beats, for the range of music track events that you want to copy from the source track.
The end time, in beats, for the range of music track events that you want to copy from the source track.
The music track that you want to add events to.
The insertion point, in beats, in the destination music track for the copied events.
A result code.
The events in the destination music track, starting at the insertion point, are pushed later in time (that is, away from the start of the track) to make room for the inserted events.
in value must be less than the