Lindsey Stirling and Pentatonix 's cover of the song `` Radioactive '' had over 118 million views on YouTube by February 2016 .
Radioactive was covered by American violinist Lindsey Stirling with Texan a cappella group Pentatonix and uploaded to Stirling 's YouTube channel , becoming immensely successful and as of February 2016 has over 120 million views .
Radioactive -LRB-Imagine Dragons song-RRB-