Karmin was an American pop duo consisting of Amy Renee Noonan and Nick Noonan. Starting as a novelty act that released covers on YouTube, they signed in 2011 with Epic Records. In May 2012, Karmin released their debut EP Hello, which spawned the singles "Brokenhearted" and "Hello", and received mixed reviews. Rolling Stone named Karmin's lead singer Amy as the winner of "Women Who Rock" 2012 contests. In March 2014, the duo released their debut album, Pulses. The album's lead single, "Acapella", charted in the top 10 in Australia and New Zealand, and went Gold in the United States. They left Epic Records in the middle of 2014 and have since released music independently. Their second album Leo Rising was released on September 9, 2016.

Amy Renee Heidemann Noonan, better known professionally as Qveen Herby, is an American rapper, singer, songwriter, and entrepreneur. Born and raised in Seward, Nebraska, she first gained fame as part of the music duo Karmin, with which she released two studio albums. Following the duo's hiatus in 2017, she began the solo project, Qveen Herby, which incorporated R&B and hip hop influences. She released her first solo extended play, EP 1 on June 2, 2017. She released her debut album, A Woman, on May 21, 2021.