6 Royalty-Free Audio Tracks for "Augmented Major Seventh Chords"

Augmented major seventh chord on C

Fifteenth chord from Perry on C

Augmented chord progression: I+75 IV. Palmer, H. R. (1876). Palmer's Theory of Music, p.91-2. J. Church. [ISBN unspecified]

Full diatonic fifteenth chord from Listz on B

Augmented chord progression: I+65 IV. Palmer, H. R. (1876). Palmer's Theory of Music, p.91-2. J. Church. [ISBN unspecified].

Fifteenth chord from Marpurg on A: A,(C,E,)G,B',D',F',(A"). Resolves to C,E,G,C',E'.