https://yourguitarbrain.com/wp-content/uploads/2021/05/E-12-Bar-blues_70bpm-_MP3_192kb_2.7MB.mp3 “Easy Beginner Backing Track E 12-Bar Blues 70Bpm Mp3 192Kb May 15Th” from Final Bounced Mp3’S by Easy Beginner Book Backing Tracks. Released: 2021.