[2][1] He worked at WLS (AM) in Chicago around the time that Gene Autry and Smiley Burnette were singing for that station, then moved to Hollywood.
[3] For a period in the early 1950s, Allen and the Mesner brothers operated Intro Records, a BMI affiliate.
[4] In January 1954 he left this job to join Gene Autry's music publishing business.
[5] Allan composed songs for western movies by Autry, Ken Curtis, Tim Holt, Rod Cameron, Ray Whitley, Bob Baker, George O'Brien, Roy Rogers and Dick Foran.
His songs were recorded by Roy Rogers (I've Sold My Saddle for an Old Guitar), Gene Autry (Old Buckaroo) and Eddie Dean.