Pentatonic Scale practice br Backing track br tempo116 br br br br br B♭7 ----- B♭ D F A♭ ----- ( 1 - 3 - 5 - ♭7 ) br br E♭7 ----- E♭ G B♭ D♭ ----- ( 1 - 3 - 5 - ♭7 ) br br F7 ----- F A C D♯　----- ( 1 - 3 - 5 - ♭7 )