Weird Al Yankovic is a singer who mostly parodies songs other people made. Lindsey Stirling is a violinist who plays the violin while running, spinning, jumping, even while being held upside down. Celtic Woman is a four-woman Irish music chorus, who will be celebrating their 20th anniversary next year. Trans-Siberian Orchestra is a band that plays Christmas music with guitars to make those Christmas songs sound like rock and roll. Mannheim Steamroller has reinvented Christmas music by giving it a futuristic twist using electronic instruments. Enya is a new age singer who lives in a castle in Ireland and can sing in ten different languages, some of which she has invented herself.