Here's the first backing track using melodic minor chords.
The changes are:-
||: Am6 / / / | / / / / | / / / / | / / / / | F#m6 / / / | / / / / | / / / / | / / / / :||
Use A melodic minor for Am6
Use F# melodic minor for F#m6
Try continuous scale exercises, motif playing and free improvisation.
Good luck!