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 Orchestra prestigious Glen Island Casino located on the north shore of Long Island Sound in New Rochelle, New York. Frank Dailey, manager of The Meadowbrook Ballroom in Cedar Grove, New Jersey, immediately booked the band for a four-week stay in March and April, before Glen Island. The band was well-received and within days Dailey picked up a three-week extension offer. During this time, Bluebird recording dates became more common and Glenn added drummer Maurice Purtill and trumpeter Dale "Mickey" McMickle to stabilize personnel. Opening at Glen Island on May 17, 1939, the casino's radio broadcast antenna ensured the Miller band was