Lindsey Stirling is an American violinist, dancer, performance artist, and composer. She presents choreographed violin performances, both live and in music videos found on her YouTube channel, Lindseystomp, which she introduced in 2007. In 2010, Stirling was a quarter-finalist on America's Got Talent season five, where she was known as the Hip-hop Violinist.
Since 2010, Stirling has released a self-titled album, an EP, and several singles. She performs a variety of music styles, from classical to pop and hip-hop to electronic dance music. Aside from original work, her discography contains covers of songs by other musicians and various soundtracks. Stirling is also a YouTube sensation: her music video "Crystallize" finished as the eighth-most watched video of 2012, and her cover version of "Radioactive" with Pentatonix won Response of the Year in the first YouTube Music Awards in 2013. Her YouTube channel had, as of March 2014, more than four million subscribers and 560 million total views.