I love this tune! The Real Book has the third chord as an Ab7, though the majority of recordings I’ve found seem to prefer a D-7. I wouldn’t say the Ab7 is necessarily “wrong” though, as several some recordings use the Ab7. Learn to navigate both, and use your ears at jam sessions!

30 Stepsto Better Jazz Playing

Videos to learn the melody/changes


  1. Luckily, if the band you are playing with does play the D-7 as the third chord and you are playing the Ab7, you’ll be blowing over it as the tri-tone sub, and it could sound really hip.

    • You are close but not really spot on I guess. There is no tritone in D-7. Tritone subs are just that – they work for dom chords because 2 dom chords a tritone apart both have that tritone present. In D-7 you have a natural F while in Ab7 there is Gb=F# so they are not the same interval.

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