Creates a new empty music sequence.
- iOS 5.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
On output, the new, empty music sequence.
A result code.
A new music sequence has only a tempo track, with a default tempo of 120 beats-per-minute. The default sequence type is beat-based. For the various sequence types, see
To direct the output of a music sequence to an audio processing graph, use the
Music function. To direct the output instead to a MIDI endpoint, use the