Classic bebop standard. My favorite Charlie Parker tune. The melody is so sweet and swings hard. I wish I was able to get someone to play the melody for me, but on the bright side this could be a decent backing track for soloists. I've always disliked the mixolydian mode when walking under dominant chords. It just sounds so... diatonic. Most of the time I lean on chromatic runs or some sort of altered scale/pattern to create more tension.