Double Bass Form for Lonnie Smith's Hola Muneca?



Ron Carter is playing bass on this track

So continuing in my attempts to transcribe tunes from this album and thinking about a separate post on how to not get lost in a modal type jam, I'm trying to identify the form of this song.

Not sure if more chords are warranted, sounds like a Bb7 vamp to me.

I hear a Melody line starting at about 17 seconds in and lasting 8 measures. It's then repeated
at about 48 seconds I hear a 2nd melody lasting 4 measures the melody repeats again starting 2 measures later

At 4:37 it repeats the above

So is this AABB with A= 8measures and B = 6 Measures or AB with 16 and 12?

First pass at the bass line under the first A section of the song


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Thanks Paul