Here is another improv that uses the Flamenco Scale. You can also mix it up in the B Part (Am) and go into the A Minor scale.
The Basic E Prhygian Dominant Flamenco Scale
The backing tracks include a rhythm intro and an ending (except for A Major Latin)
The loops are at least 5 minutes long so you can really jamm along.
So you will receive 24 files (220MB)
Here are 12 HQ Backing Tracks encoded at 256 kbps:
Backing Tracks Preview: