---
title: MusicSequenceType.seconds
framework: audiotoolbox
role: symbol
role_heading: Case
path: audiotoolbox/musicsequencetype/seconds
---

# MusicSequenceType.seconds

Used for a music sequence that corresponds to a MIDI file, but employs SMPTE timecode. The tempo track contains a single tempo event that specifies 60 beat-per-minute.

## Declaration

```swift
case seconds
```

## See Also

### Constants

- [MusicSequenceType.beats](audiotoolbox/musicsequencetype/beats.md)
- [MusicSequenceType.samples](audiotoolbox/musicsequencetype/samples.md)