Yellowcard is an American rock band who formed in Jacksonville, Florida, in 1997. Their official lineup currently consists of lead singer and rhythm guitarist Ryan Key, who was previously a guest vocalist, lead guitarist Ryan Mendez, bassist Josh Portman and violinist Sean Mackin. Mackin is the only remaining original member. Primarily a pop-punk group, their music is recognized for having a distinct and unique sound in its genre due to their prominent use of a violin. The group's most-recognized singles... [more on Wikipedia]