If he is known at all, Harlem-based '60s soul singer Curtis Knight is remembered for his connection to a pre-fame Jimi Hendrix. Knight met a down-on-his-luck Hendrix living in a New York City hotel. The singer gave the guitarist a spare axe and hired him to play with the Squires, Knight's band. A native of Kansas, Knight had previously spent time in California -- he appears in the film Pop Girl -- before relocating to New York, where he worked the circuit with the Squires, a workaday party R&B band. It's quite possible Knight saw something in Hendrix. Not long after Jimi joine...