2015 marked the 50th anniversary of John Coltrane’s “A Love Supreme.” And this is not just great jazz. This piece inspires a spiritual response in many listeners – like Steve Paulson. So he sat down with Bishop King, founder of the Church of St. John Coltrane, and with Ashley Kahn, author of “A Love Supreme: The Story of John Coltrane’s Signature Album” to dig a little deeper.