In the movie "The Rocker," the band Vesuvius is portrayed by the fictional characters played by actor Rainn Wilson as Fish and the supporting cast. However, the actual singing for Vesuvius was performed by the band members of the group, which includes the actor Teddy Geiger, who plays the character Matt. Geiger provided the vocals for the band's songs in the film, contributing to the rock sound that defines Vesuvius's music. The film, released in 2008, is a comedy about a failed drummer who gets a second chance at fame.

As of my last update, "The Rocker" is available for streaming on platforms like Hulu and Amazon Prime Video. However, availability may vary by region and can change over time, so it's best to check your preferred streaming service for the most current listing.

Yes, Rainn Wilson played drums in "The Rocker." In the film, he portrays Fish, a washed-up drummer who gets a second chance at fame when he joins his nephew's high school band. The movie showcases his character's journey as they navigate the music industry, and Wilson's performance includes drumming scenes that highlight his role in the band.

"The Rocker," released in 2008 and starring Rainn Wilson, was not a box office success. The film had a production budget of around $35 million but only grossed approximately $12 million in the United States. Despite its failure to perform well commercially, it gained a modest following and is appreciated by some for its humor and music themes. Overall, it is considered a financial disappointment.