Everything works well and good structure.

Sources/MusicBrainz/Models/Artist.swift

@@ -0,0 +1,40 @@
+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
+	}
+}