# MusicDeviceStartNote(_:_:_:_:_:_:) ``` func MusicDeviceStartNote(_ inUnit: MusicDeviceComponent, _ inInstrument: MusicDeviceInstrumentID, _ inGroupID: MusicDeviceGroupID, _ outNoteInstanceID: UnsafeMutablePointer, _ inOffsetSampleFrame: UInt32, _ inParams: UnsafePointer) -> OSStatus ``` --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)