Kenny Werner, master pianist and author of Effortless Mastery, has a fantastic concept that I've been using for years to create chord sequences. The hipness is only as successful as your ability to voice lead though, so it's a great way to improve a bunch of skills with just one simple concept. Root motion, chord quality, chord voicings and voice leading. 

Get full access to Janek's Newsletter at janekgwizdala.substack.com/subscribe