Battle Cry (Imagine Dragons song) Extinction" from the previous films in the series, "Transformers" director Michael Bay sought out a new musical act to soundtrack the film and hand picked Imagine Dragons for the job. "Battle Cry" was written by the group members specifically for use in the film, inspired by the story as pitched to them by Bay. Lead singer Dan Reynolds revealed to "Billboard" that the aim with "Battle Cry" was to write "in a more cinematic way" to compose a song that was satisfying as a piece of music but also benefited the visual it was set to accompany. Imagine Dragons Additional
Hamilton, Joe Frank & Reynolds (aka Arnold Rosenthal) on bass, Richard Torres on keyboards/sax, and drummer Gene Pello. They hit the road in January 1966 to promote their first single "No Matter What Shape (Your Stomach's In)", an instrumental piece based upon a then-popular Alka-Seltzer TV commercial. Dee and Torres quickly decided to leave the band, and were replaced by Tommy Reynolds (who would, in 1969, be the lead singer for Shango) and Joe Frank Carollo. "No Matter What Shape (Your Stomach's In)" reached #3 on the US "Billboard" Hot 100 in March 1966. This revised version of The T-Bones toured the US and Japan.