Watch part 2 of this video here: Sign up for HDpiano before Feb 29th and get their best deal of 25% off your very first year, auto-applied at checkout:. Today I'm taking the timeless "Doo-wop changes" and running them through different levels of complexity, starting with just adding colour tones to the basic chords, and winding up with an incredibly jazzy chord-packed development. And, an extra unique thanks goes to Douglas Lind, Vidad Flowers,…