Music on Instagram: "Unique mashup by the one and only Bruno Mars 🎸 Mars combines the iconic 90s grunge rock riff of “Smells Like Teen Spirit” with the melodic vocals of Michael Jackson’s 1982 hit “Billie Jean”. He has i this mashup at various events, including a notable 2010 performance at The Grove in Los Angeles and, more recently, at exclusive, star-studded parties. During these performances, Mars often handles the guitar duties himself, “shredding” the famous Nirvana chords. His vocal deli