6. Karmin
Number 6 on our list is Karmin, a pop duo who started on YouTube, making covers of songs performed by popular artists. One of the most popular covers of Karmin is a cover of “Look at me now” by Chris Brown that made them worldwide famous. Lead singer of this group Amy Heidemann impressed YouTube viewers with her incredible rapping speed, and her skill to harmonize with swag, Fergie – style. The group soon made a contract with Epic Records and had an appearance on “Saturday Night live”.
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