<p>Oslo is a rock band based in California. They have existed together since 2001 as a trio, with a core of Mattia Borrani, Kerry Wayne James, and Gabrial McNair. They have since added keyboardist Damon Ramirez and went through twelve drummers, settling on original drummer Charlie Walker, who initially left the band to live in New York. They released their second album, The Rise and Fall of Love and Hate, in November 2007.</p>