Who did Lindsey Stirling collaborate with for a cover version of "Radioactive"?
Imagine Dragons
Pentatonix
The Piano Guys
David Guetta
Answer
Lindsey Stirling collaborated with a cappella group Pentatonix for a cover version of "Radioactive", originally by Imagine Dragons. Their version won Response of the Year in the first YouTube Music Awards in 2013.
The Enchanting Melodies of Lindsey Stirling: How Well Do You Know Her?