Robert Goulding 
Band of Heroes [EPUB ebook] 

The rock band Disguise unknowingly become entangled in a lab experiment of a new type of super computer hybrid: a combination of machine, artificial intelligence and alien entity. Now corrupted by its awesome power, the hybrid wants to be the master over humanity and their world and has devised a way to do so by using the band’s music as a weapon.

Disguise receive a last request from a friend to carry out a mission. They accept. Though a separate issue, the mission is connected to the hybrid’s part creator’s own involvement. Their actions combined prevent a terrible catastrophe.