Glenn Miller be mentored by other professional musicians. In the beginning, he was the main trombone soloist of the band. But when Jack Teagarden joined Pollack's band in 1928, Miller found that his solos were cut drastically. He realized that his future was in arranging and composing. He had a songbook published in Chicago in 1928 entitled "Glenn Miller's 125 Jazz Breaks for Trombone" by the Melrose Brothers. During his time with Pollack, he wrote several arrangements. He wrote his first composition, "Room 1411", with Benny Goodman, and it was released as a 78 by Brunswick Records under the name Benny Goodman's
Glenn Miller discography Benny Goodman, and Glenn Miller had a suite. We all moved into that, practically the whole band...The number of that apartment was 1411. And that is how that title came up, "Room 1411", by Benny Goodman's Boys." Goodman played baritone saxophone "on the more straight-ahead Chicago-style 'Room 1411'". "Room 1411 (Goin' to Town)" is Glenn Miller's first known composition. Two versions of the instrumental were released. The recording was reissued in 1949 as part of the Brunswick Collectors' Series. "Sold American" was composed in 1938 by Glenn Miller and John Chalmers "Chummy" MacGregor, the pianist in the Glenn Miller Orchestra.