John Simon has been played on NTS shows including Light in the Attic, with Last Summer Theme first played on 11 November 2017.

John Simon (born August 11, 1941 in Norwalk, Connecticut) is an American musician, record producer, and composer. He is best known for his work with The Band as producer and musician on Music from Big Pink and The Band, where he notably played the sousaphone bass line in "Rag Mama Rag"

Simon began his career with Columbia Records, where he produced music for a wide variety of acts. Among his early production credits are the 1966 No. 2 hit song "Red Rubber Ball" by The Cyrkle. He also produced Cheap Thrills by Big Brother and the Holding Company and Child Is Father to the Man by Blood, Sweat & Tears, among many other albums, and has recorded as a solo artist.