---
title: MusicTrackLoopInfo
framework: audiotoolbox
role: symbol
role_heading: Structure
path: audiotoolbox/musictrackloopinfo
---

# MusicTrackLoopInfo

Supports control of the looping behavior of a music track.

## Declaration

```swift
struct MusicTrackLoopInfo
```

## Overview

Overview This data type is used for the value of the kSequenceTrackProperty_LoopInfo property.

## Topics

### Initializers

- [init()](audiotoolbox/musictrackloopinfo/init().md)
- [init(loopDuration:numberOfLoops:)](audiotoolbox/musictrackloopinfo/init(loopduration:numberofloops:).md)

### Instance Properties

- [loopDuration](audiotoolbox/musictrackloopinfo/loopduration.md)
- [numberOfLoops](audiotoolbox/musictrackloopinfo/numberofloops.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Sendable](swift/sendable.md)

## See Also

### Managing Music Tracks

- [MusicTrackClear(_:_:_:)](audiotoolbox/musictrackclear(_:_:_:).md)
- [MusicTrackCopyInsert(_:_:_:_:_:)](audiotoolbox/musictrackcopyinsert(_:_:_:_:_:).md)
- [MusicTrackCut(_:_:_:)](audiotoolbox/musictrackcut(_:_:_:).md)
- [MusicTrackGetDestMIDIEndpoint(_:_:)](audiotoolbox/musictrackgetdestmidiendpoint(_:_:).md)
- [MusicTrackGetDestNode(_:_:)](audiotoolbox/musictrackgetdestnode(_:_:).md)
- [MusicTrackGetProperty(_:_:_:_:)](audiotoolbox/musictrackgetproperty(_:_:_:_:).md)
- [MusicTrackGetSequence(_:_:)](audiotoolbox/musictrackgetsequence(_:_:).md)
- [MusicTrackMerge(_:_:_:_:_:)](audiotoolbox/musictrackmerge(_:_:_:_:_:).md)
- [MusicTrackMoveEvents(_:_:_:_:)](audiotoolbox/musictrackmoveevents(_:_:_:_:).md)
- [MusicTrackNewAUPresetEvent(_:_:_:)](audiotoolbox/musictracknewaupresetevent(_:_:_:).md)
- [MusicTrackNewExtendedNoteEvent(_:_:_:)](audiotoolbox/musictracknewextendednoteevent(_:_:_:).md)
- [MusicTrackNewExtendedTempoEvent(_:_:_:)](audiotoolbox/musictracknewextendedtempoevent(_:_:_:).md)
- [MusicTrackNewMIDIChannelEvent(_:_:_:)](audiotoolbox/musictracknewmidichannelevent(_:_:_:).md)
- [MusicTrackNewMIDINoteEvent(_:_:_:)](audiotoolbox/musictracknewmidinoteevent(_:_:_:).md)
- [MusicTrackNewMIDIRawDataEvent(_:_:_:)](audiotoolbox/musictracknewmidirawdataevent(_:_:_:).md)