His drawing of the original Grossmont's "Granite Castle" has become a symbol of the school’s early history, and has appeared on their commemorative bronze plaques ever since.
[4] In the early 1950s, Allen hosted and performed on his own radio and television show entitled: Songs of the Wanderer on the NBC network.
[5] In 1958, Allen and his wife Margarita Cordova opened for a show starring Jean Arnold at the Cabaret Concert Theatre in Los Angeles.
The final performances played for a month at the Henry Miller Theatre on West 43rd St in New York City during the fall of 1960.
Variety wrote: "Although likeable (sic) in their current New York debut at Julius Monk's Downstairs at the Upstairs, they're not particularly outstanding.
In 1962, Allen and Cordova opened and operated El Cid, a flamenco nightclub on Sunset Boulevard in Los Angeles.
Allen and Cordova lived and studied in Granada, Spain for more than a year where they learned the culture of the Spanish Romani and flamenco music.