Available since version 1.6.4.
Faker::Music.key #=> "C"
Faker::Music.chord #=> "Amaj7"
Faker::Music.instrument #=> "Ukelele"
Faker::Music.band #=> "The Beatles"
Faker::Music.album #=> "Sgt. Pepper's Lonely Hearts Club"
Faker::Music.genre #=> "Rock"