This a 12 Bar Blues Shuffle Progression in A using A7, D7 and E7. Use it to practice soloing. A Minor Pentatonic and Minor Blues work the best. A Major Pentatonic and A Major Blues work well too. It's also a good track to practice Diagonal Pentatonic fingerings. 0:00 - Example Solo 0:32 - Backing Jam Track Here's a Blues Shuffle in D backing track here • Blues Shuffle in D - Guitar Backing Track ... I have a similar Blues Shuffle in E backing track here • Blues Shuffle in E - Guitar Backing Track ... Enjoy!