Commuter Audio: Ear Training, part 19, hearing 7th chords

maj7 = 1 3 5 7 chordroot D x5767x

maj7#5 = 1 3 #5 7 chord, root D x5432x

7 = 1 3 5 b7 chord, root D x5757x

7aug = 1 3 #5 b7 chord, root D x5857x

min7 = 1 b3 5 b7 chord, root D x5756x

min(maj7) = 1 b3 5 7 chord, root D x5766x

min7b5 = 1 b3 b5 b7 chord, root D x5656x

dim7 = 1 b3 b5 bb7 chord, root D x5646x