Watch the Half Step Bends online guitar lesson by Jeff McErlain from Blues Guitar Survival Guide - Lead
The first time I encountered a half step bend was on "Comfortably Numb" by Pink Floyd. David Gilmour was clearly a blues guitarist at heart and one of my all time favorite players. He is a master of the controlled bend AND vibrato. The half step bend is a fantastic way to articulate a note as it allows us to bend UP to the pitch and grab the notes in between, those notes an really emotionally charge a performance.