Hullabaloo Soundtrack, also known as simply Hullabaloo, is a compilation and live album by English rock band Muse. The album is a double album with disc one containing previously released B-sides and disc two acting as the soundtrack to their livevideoHullabaloo: Live at Le Zenith, Paris, which documented the band's performances at Le Zénith in Paris, France, on 28 and 29 October 2001. It was released alongside the live video on 1 July 2002 via Taste and Mushroom records.
A sample of Tom Waits's "What's He Building?" can be heard in disc two's pregap (length: 1:53). On later digital editions, the sample is placed at the beginning of track no. 1
The opening measures of Rachmaninoff's "Prelude in C-Sharp minor" are played at the beginning of disc two's track no. 7.