Moon Rays is a jazz tune composed by Horace Silver for the Horace Silver Quintet. It appears as track 4 on the 1958 Blue Note album Further Explorations, recorded January 13, 1958 at Van Gelder Studio in Hackensack, New Jersey and released in early May 1958. The piece runs 10 minutes and 56 seconds and features Horace Silver on piano, Art Farmer on trumpet, Clifford Jordan on tenor sax, Teddy Kotick on bass, and Louis Hayes on drums. Further Explorations is a hard bop album that showcases Silver's melodic writing and the quintet's tight interplay, produced by Alfred Lion for Blue Note (catalog BLP 1589).