Music by Kevin MacLeod. Available under the Creative Commons Attribution 3.0 Unported license. Download link: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100609

MacLeod's description:

Genre: Blues
Length: 3:49
Instruments: Guitar, Organ, Bass, Kit
Tempo: 84

Super nice progressive rock/blues piece with 3 sections. 011
ISRC: US-UAN-11-00609
Bright, Dark, Grooving 2009