needs references that appear in reliable third-party publications. Primary sources or sources affiliated with the subject are generally not sufficient for a Wikipedia article. Please add more appropriate citations from reliable sources. (February 2011) Yellowcard Yellowcard with new member, Sean O'Donnell. Background information Origin Jacksonville, Florida, United States Genres Alternative rock Pop punk Punk rock Melodic hardcore/Hardcore punk (early years) Years active 1997–2008 2010–present Labels DIY (1997, 2000) Takeover (1998–1999) Lobster (2001) Fueled By Ramen (2002) Capitol (2003–2008) Hopeless (2010–present) Associated acts Reeve Oliver, Craig's Brother, Big If, Inspection 12 Website yellowcardrock.com Members Ryan Key Sean Mackin Ryan Mendez Longineu W. Parsons III Sean O'Donnell Past members Ben Dobson Todd Clarry Warren Cooke Alex Lewis Ben Harper Peter Mosely See Members for full line-up details. Yellowcard is an American pop punk/alternative rock band formed in Jacksonville, Florida in 1997, and based in Los Angeles, California since 2000. Their music features the use of a violin, unusual for the genre. They are best-known for their songs "Ocean Avenue", "Only One", "Lights and Sounds", and "Light Up the Sky". The band announced their return from a two-year hiatus in August 2010 and has completed recording their latest album, When You're Through Thinking, Say Yes, released mid-March 2011..