Altered Chord: 7alt (Also: 7altered, alt, altered, 7#9#5, 7#5#9, 7b9#9, 7#9b9, 7#5) Parent Chord: Dominant 7 Intervals: M3, M3, 2, m3, 2 C, E, G#, Bb, Db, D# Key: C F Bb Eb Ab Db Gb B E A D G Shell II Voicing