Which indie rock band released the 2009 album 'Merriweather Post Pavilion'?

Animal Collective released the 2009 album 'Merriweather Post Pavilion'. The record is the American experimental pop group's eighth studio album and is widely associated with its bright electronic textures, layered vocal harmonies, and immersive psychedelic-pop sound.

It was released on January 6, 2009, through Domino Records. The album was recorded in 2008 and produced by Animal Collective with Ben H. Allen. During the sessions, the group worked as a trio consisting of Avey Tare, Panda Bear, and Geologist.

The title refers to Merriweather Post Pavilion, an outdoor concert venue in Columbia, Maryland. Band members Brian Weitz and Dave Portner had attended concerts there during their youth, giving the album a personal connection to a place rather than simply an invented phrase.

The album's cover uses an optical illusion designed to suggest motion, matching the music's emphasis on shifting layers and sensory immersion. It became a major critical success, appearing on numerous year-end lists and helping bring Animal Collective's experimental approach to a much wider audience.