(CNN)Eight months before John Coltrane died, he performed a concert at Temple University.
During the concert, the legendary jazz musician put down his horn and banged his fists against his chest. He screeched and he squawked. He yodeled and he screamed. He prayed and he sang.
John Coltrane was on a spiritual journey.
In the same year as his enigmatic performance, a Japanese journalist asked Coltrane what he would like to be in 10 years. His response: "a saint."