Ear Without Fear, Volume 2 continues where Volume 1 left off, introducing the following concepts: letter names and ledger lines; treble and bass clefs; sharps and flats; moveable do; intervals - 2nd, 3rd, 4th, 5th, 6th, and octaves; and more, with interactive audio demonstrations, exercises, and dictations covering the topics above. The audio is accessed online using the unique code inside each book and can be streamed or downloaded. The audio files include PLAYBACK+, a multi-functional audio player that allows you to slow down audio without changing pitch, set loop points, change keys, and pan left or right.