These day one doesn't find many rock concerts that take place inside a museum during the afternoon, let alone a show that includes confetti, sock puppets, balloons and kids. Brooklyn, N.Y. alternative rock band They Might Be Giants, however, did exactly those things yesterday at New York's American Museum of Natural History by performing to an audience of children and their parents.

Fronted by singer-keyboardist John Linnell and singer-guitarist John Flansburgh, They Might Be Giants performed inside the museum's Milstein Hall of Ocean Life, which sports a gigantic replica of a whale hanging from the ceiling. The group recently released their latest children's album, 'Here Comes Science,' which delves into science-related topics with songs such as 'Photosynthesis' and 'Why Does the Sun Really Shine?'

On the second of two scheduled free shows, They Might Be Giants performed several songs from the new album, including 'Roy G. Biv,' 'My Brother the Ape' and 'What Is a Shooting Star?' They also played other tunes from their previous children's albums, 'Here Come the ABCs' and the recent Grammy-winning 'Here Come the 123s.' The Giants' also brought out a few songs from their grown-up music catalog like 'Doctor Worm.'

Given that this was They Might Be Giants, the performance was sprinkled with a few quirky moments -- butterfly-shaped confetti rained down from above, the two Johns held sock puppets and Flansburgh allowed the kids up in the front to touch his instrument. Some of the audience members carried balloon sculptures and big yellow foam fingers that said "They Might Be Giants."

The encore included the band's popular song 'Istanbul (Not Constantinople),' which ended the show on a rocking note. Afterwards They Might Be Giant stickers were handed out to the children and adults, who got an afternoon's worth of eccentric rock music and an spirited education.