What is a 12 bar blues? (Music theory lesson)

I've noticed some confusion among viewers as to what is the 'correct way' to play a 12 bar blues. In fact there are several common variations you will encounter when playing out in the real world. I explain the Top 5 patterns in this video. Playlists of 12 bar blues: 12 bar blues with bands:    • 12 bar Blues for Students   12 bar blues with solo piano:    • 12 bar blues solo piano (for students)   12 bar blues featuring (II-V and I-VI-II-V) changes:    • 12 bar blues w 1-6-2-5   If you would like to learn how to play blues and boogie woogie on the piano, check out the videos on my channel, and also the School of Boogie! Tons of free, self-guided lessons there. www.schoolofboogie.com Enjoy!