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Jeff Schneider's Sick R&B Chords

Jeff Schneider has some excellent instructive content on YouTube, and takes the time to explain some of the theory behind the music. Here, he plays a lush neo-soul chord progression, walks us through a nice tritone substitution and shows how we can use secondary dominants to introduce chords from outside the key.

Here’s a transcription, made much easier than usual thanks to Jeff’s animated keyboard.