Please answer the following question: Build a movie plot around this: Why made school's prom a disaster? Fish ruined the gig when he launches into an impromptu drum solo.
A:
In the late 1980s, Robert "Fish" Fishman (Rainn Wilson) is the drummer in Vesuvius, a fictional heavy metal/glam metal band from Cleveland, Ohio on the verge of making it big. The band is offered a recording contract with one condition - Fish must be replaced as drummer with the president of the record company's nephew. After initially refusing, the band caves when their manager tells them they would get to tour as the opening act for Whitesnake.20 years later, Vesuvius remains an immensely successful band, while Fish is working a mundane office job, which he is fired from for attacking a co-worker who tried to force him to listen to Vesuvius' new album. After being kicked out by his girlfriend, he is taken in by his sister Lisa (Jane Lynch) and her family. Matt (Josh Gad), Fish's high school-aged nephew, plays keyboards in an alternative rock band called A.D.D., along with his friends Curtis (Teddy Geiger) and Amelia (Emma Stone). The band is scheduled to play their school's prom but the gig is in jeopardy when their drummer is suspended from school. Matt convinces the others to allow Fish to fill in, but he ruins the gig when he launches into an impromptu drum solo. However, Fish is so excited by Curtis' songs and the chance to play again, he convinces them to let him join the band if he can deliver another gig. After repeated failed attempts, he finally succeeds in securing a gig at a club in Fort Wayne, Indiana. Because the other members are all minors, they have to sneak out to the gig, taking Lisa's car without permission, resulting in the band being arrested.When Fish is kicked out of his sister's house and rents the sweltering basement of his favorite Chinese restaurant, the band invents a new way to practice via four-way iChat. To the disgust of his bandmates, Fish performs in the nude to try and stay cool. The video of the practice is leaked and quickly goes viral under the title of the "naked drummer band". The band is signed to a recording contract by the same label as Vesuvius, and are sent on...