Amy Heidemann and Nick Noonan, better know as Karmin, are back with new music. The duo blew up last year with their album Hello. This time they worked with Martin Johnson, the lead singer of Boys Like Girls on their new song Acapella. Karmin told Nylon Magazine, "We wanted to make a beat that was unorthodox."

Here Karmin talks about the new song. Also watch the lyric video for Acapella