A static backing track to practise over an A major scale. Pick a feel, put it on, and play.
Full progressions3 tracks
Jazz Pop "Tin Pan Alley" Changes All keys →
F#m "Andalusian Cadence" All keys →
Royal Road Progression 0001 All keys →
Seventh-chord vamps7 tracks
Amaj7
Bm7
C#m7
Dmaj7
E7
F#m7
G#m7b5
Triad vamps6 tracks
A (triad)
Bm (triad)
C#m (triad)
D (triad)
E (triad)
F#m (triad)
What to play over this
Start with the scale itself, then colour it with the chords and modes it contains.