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 Hamilton, Joe Frank & Reynolds Hamilton, Joe Frank & Reynolds were a 1970s soft rock trio from Los Angeles. The original members were Dan Hamilton (guitar/lead vocal), Joe Frank Carollo (bass/vocal), and Tommy Reynolds (multi-instrumentalist/vocal), all of whom had previously played in The T-Bones, a 1960s band noted for the instrumental hit "No Matter What Shape (Your Stomach's In)". The group first hit the charts in 1971 with "Don't Pull Your Love". Reynolds left the group in late 1972, and was replaced by keyboardist Alan Dennison, but the band kept the name 'Hamilton, Joe Frank & Reynolds'. This revised line-up