Everything works well and good structure.

Sources/MusicBrainz/Models/Area.swift

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+import Foundation
+
+public struct Area: MusicBrainzSearchable {
+	public static let entityType: MusicBrainzEntity = .area
+
+	public let id: String
+	public let type: String?
+	public let name: String
+	public let sortName: String?
+	public let disambiguation: String?
+	public let lifeSpan: LifeSpan?
+	public let relations: [Relation]?
+	public let score: Int?
+
+	enum CodingKeys: String, CodingKey {
+		case id, type, name, disambiguation, score, relations
+		case sortName = "sort-name"
+		case lifeSpan = "life-span"
+	}
+}

Sources/MusicBrainz/Models/Artist.swift

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+import Foundation
+
+public struct Artist: MusicBrainzSearchable {
+	public static let entityType: MusicBrainzEntity = .artist
+
+	public let id: String
+	public let name: String
+	public let sortName: String?
+	public let type: String?
+	public let country: String?
+	public let disambiguation: String?
+	public let lifeSpan: LifeSpan?
+	public let relations: [Relation]?
+	public let score: Int?
+
+	enum CodingKeys: String, CodingKey {
+		case id
+		case name
+		case sortName = "sort-name"
+		case type
+		case country
+		case disambiguation
+		case lifeSpan = "life-span"
+		case relations
+		case score
+	}
+
+	public var imageURL: URL? {
+		guard let relations else { return nil }
+		// Look for 'image' or 'wikimedia commons'
+		for rel in relations {
+			if rel.type == "image" || rel.type == "wikimedia commons" {
+				if let resource = rel.url?.resource {
+					return URL(string: resource)
+				}
+			}
+		}
+		return nil
+	}
+}

Sources/MusicBrainz/Models/Event.swift

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+import Foundation
+
+public struct Event: MusicBrainzSearchable {
+	public static let entityType: MusicBrainzEntity = .event
+
+	public let id: String
+	public let name: String
+	public let time: String?
+	public let disambiguation: String?
+	public let lifeSpan: LifeSpan?
+	public let relations: [Relation]?
+	public let score: Int?
+
+	enum CodingKeys: String, CodingKey {
+		case id, name, time, disambiguation, score, relations
+		case lifeSpan = "life-span"
+	}
+}

Sources/MusicBrainz/Models/Instrument.swift

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+import Foundation
+
+public struct Instrument: MusicBrainzSearchable {
+	public static let entityType: MusicBrainzEntity = .instrument
+
+	public let id: String
+	public let name: String
+	public let type: String?
+	public let description: String?
+	public let disambiguation: String?
+	public let relations: [Relation]?
+	public let score: Int?
+
+	enum CodingKeys: String, CodingKey {
+		case id, name, type, description, disambiguation, score, relations
+	}
+}

Sources/MusicBrainz/Models/Label.swift

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+import Foundation
+
+public struct Label: MusicBrainzSearchable {
+	public static let entityType: MusicBrainzEntity = .label
+
+	public let id: String
+	public let name: String
+	public let type: String?
+	public let labelCode: Int?
+	public let country: String?
+	public let disambiguation: String?
+	public let lifeSpan: LifeSpan?
+	public let relations: [Relation]?
+	public let score: Int?
+
+	enum CodingKeys: String, CodingKey {
+		case id, name, type, country, disambiguation, score, relations
+		case labelCode = "label-code"
+		case lifeSpan = "life-span"
+	}
+}

Sources/MusicBrainz/Models/Place.swift

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+import Foundation
+
+public struct Place: MusicBrainzSearchable {
+	public static let entityType: MusicBrainzEntity = .place
+
+	public let id: String
+	public let name: String
+	public let type: String?
+	public let address: String?
+	public let area: Area?
+	public let disambiguation: String?
+	public let relations: [Relation]?
+	public let score: Int?
+
+	enum CodingKeys: String, CodingKey {
+		case id, name, type, address, area, disambiguation, score, relations
+	}
+}

Sources/MusicBrainz/Models/Recording.swift

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+import Foundation
+
+public struct Recording: MusicBrainzSearchable {
+	public static let entityType: MusicBrainzEntity = .recording
+
+	public let id: String
+	public let title: String
+	public let length: Int?
+	public let video: Bool?
+	public let disambiguation: String?
+	public let firstReleaseDate: String?
+	public let relations: [Relation]?
+	public let score: Int?
+
+	enum CodingKeys: String, CodingKey {
+		case id
+		case title
+		case length
+		case video
+		case disambiguation
+		case firstReleaseDate = "first-release-date"
+		case relations
+		case score
+	}
+}

Sources/MusicBrainz/Models/Release.swift

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+import Foundation
+
+public struct Release: MusicBrainzSearchable {
+	public static let entityType: MusicBrainzEntity = .release
+
+	public let id: String
+	public let title: String
+	public let status: String?
+	public let date: String?
+	public let country: String?
+	public let barcode: String?
+	public let disambiguation: String?
+	public let relations: [Relation]?
+	public let score: Int?
+
+	enum CodingKeys: String, CodingKey {
+		case id
+		case title
+		case status
+		case date
+		case country
+		case barcode
+		case disambiguation
+		case relations
+		case score
+	}
+}

Sources/MusicBrainz/Models/ReleaseGroup.swift

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+import Foundation
+
+public struct ReleaseGroup: MusicBrainzSearchable {
+	public static let entityType: MusicBrainzEntity = .releaseGroup
+
+	public let id: String
+	public let title: String
+	public let primaryType: String?
+	public let artistCredit: [ArtistCredit]?
+	public let disambiguation: String?
+	public let relations: [Relation]?
+	public let score: Int?
+
+	enum CodingKeys: String, CodingKey {
+		case id, title, disambiguation, score, relations
+		case primaryType = "primary-type"
+		case artistCredit = "artist-credit"
+	}
+}

Sources/MusicBrainz/Models/Series.swift

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+import Foundation
+
+public struct Series: MusicBrainzSearchable {
+	public static let entityType: MusicBrainzEntity = .series
+
+	public let id: String
+	public let name: String
+	public let type: String?
+	public let disambiguation: String?
+	public let relations: [Relation]?
+	public let score: Int?
+
+	enum CodingKeys: String, CodingKey {
+		case id, name, type, disambiguation, score, relations
+	}
+}

Sources/MusicBrainz/Models/Shared/ArtistCredit.swift

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+import Foundation
+
+public struct ArtistCredit: Codable, Sendable {
+	public let name: String
+	public let artist: Artist?
+	public let joinphrase: String?
+}

Sources/MusicBrainz/Models/Shared/CoverArt.swift

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+import Foundation
+
+public struct CoverArtImage: Codable, Sendable {
+	public let image: String
+	public let thumbnails: [String: String]
+	public let types: [String]
+	public let front: Bool
+	public let back: Bool
+	public let edit: Int
+	public let comment: String
+	public let id: String
+}
+
+public struct CoverArtResponse: Codable, Sendable {
+	public let images: [CoverArtImage]
+	public let release: String
+
+	public var frontImage: CoverArtImage? {
+		images.first { $0.front }
+	}
+}

Sources/MusicBrainz/Models/Shared/LifeSpan.swift

@@ -0,0 +1,7 @@
+import Foundation
+
+public struct LifeSpan: Codable, Sendable {
+	public let begin: String?
+	public let end: String?
+	public let ended: Bool?
+}

Sources/MusicBrainz/Models/Shared/Relation.swift

@@ -0,0 +1,14 @@
+import Foundation
+
+public struct Relation: Codable, Sendable {
+	public let type: String
+	public let direction: String
+	public let url: URLResource?
+	public let artist: Artist?
+	public let release: Release?
+	// Add other entities as needed
+
+	enum CodingKeys: String, CodingKey {
+		case type, direction, url, artist, release
+	}
+}

Sources/MusicBrainz/Models/Shared/URLResource.swift

@@ -0,0 +1,6 @@
+import Foundation
+
+public struct URLResource: Codable, Sendable {
+	public let id: String
+	public let resource: String
+}

Sources/MusicBrainz/Models/URLReference.swift

@@ -0,0 +1,9 @@
+import Foundation
+
+public struct URLReference: MusicBrainzSearchable {
+	public static let entityType: MusicBrainzEntity = .url
+
+	public let id: String
+	public let resource: String
+	public let score: Int?
+}

Sources/MusicBrainz/Models/Work.swift

@@ -0,0 +1,17 @@
+import Foundation
+
+public struct Work: MusicBrainzSearchable {
+	public static let entityType: MusicBrainzEntity = .work
+
+	public let id: String
+	public let title: String
+	public let type: String?
+	public let language: String?
+	public let disambiguation: String?
+	public let relations: [Relation]?
+	public let score: Int?
+
+	enum CodingKeys: String, CodingKey {
+		case id, title, type, language, disambiguation, score, relations
+	}
+}