Misty is usually played in the key of Eb major. The standard is 32 bars long, and has a classic AABA structure: A1 – A2 – B – A2 (the last A is identical to the second A). Bar 1: Misty opens with the tonic chord Ebmaj7 (Misty is in the key of Eb major). Bars 2-3: a ii V in Ab major.