 First, though, Kavita Krishnamoorthi. She's one of the all-time greatest Indian singers of Bollywood songs. They are known as playback singers. They provide the vocals for the movie stars to lip-sync to in Hindi movies. Kavita rocketed to stardom in the 80s and 90s as one of the most versatile and technically gifted female singers in Bollywood, and she'll be touring internationally later this year with three other 90s singing queens –