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# MusicItemID

An object that represents a unique identifier for a music item.

```
@frozen struct MusicItemID
```

## Topics

### Initializers

[`init(String)`](/documentation/MusicKit/MusicItemID/init(_:))

Creates a music item identifier with a string.

## Relationships

### Conforms To

[`Copyable`](/documentation/Swift/Copyable)

[`ExpressibleByExtendedGraphemeClusterLiteral`](/documentation/Swift/ExpressibleByExtendedGraphemeClusterLiteral)

[`MusicLibraryRequestFilterValueMembershipComparable`](/documentation/MusicKit/MusicLibraryRequestFilterValueMembershipComparable)

[`Hashable`](/documentation/Swift/Hashable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`ExpressibleByStringLiteral`](/documentation/Swift/ExpressibleByStringLiteral)

[`ExpressibleByUnicodeScalarLiteral`](/documentation/Swift/ExpressibleByUnicodeScalarLiteral)

[`Sendable`](/documentation/Swift/Sendable)

[`Escapable`](/documentation/Swift/Escapable)

[`MusicLibraryRequestFilterValueEquatable`](/documentation/MusicKit/MusicLibraryRequestFilterValueEquatable)

[`Encodable`](/documentation/Swift/Encodable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Decodable`](/documentation/Swift/Decodable)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`Equatable`](/documentation/Swift/Equatable)

---

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