I Know Now - Edgar Hayes Quintet - 1937

"I Know Now" played by the Edgar Hayes Quintet, with vocal chorus by Bill Darnell; Decca 1509 A (10"). Electrically recorded in New York on 11 October 1937.
Personnel:
Rudy Powell: clarinet.
Edgar Hayes: piano.
Andy Jackson: guitar.
Elmer James: string bass.
Kenny Clarke: drums.
Bill Darnell: vocal.
Played with a Burmese Colour Needle on a gramophone with a homemade 80 Hz exponential horn, Victor Orthophonic soundbox, and HMV swan-neck tone-arm, currently in a prototype cabinet.