West Ryder Pauper Lunatic Asylum is the third studio album by British indie rock band Kasabian, which was released on 5 June 2009. It was the band's first album not to feature Christopher Karloff, the band's lead guitarist and songwriter who departed during the writing stages of Empire (2006). Rhythm guitarist Sergio Pizzorno became lead songwriter and co-producer for the band. It is also their first album to feature guitar contributions from Tim Carter, who would become the band's touring guitarist in 2013 and a full-fledged member of the band in 2021.

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