US THE DUO

Us the Duo was an American folk pop duo consisting of ex husband-and-wife Michael Alvarado and Carissa Rae Martin. The duo met in Los Angeles, California, United States, in 2011 on the set of an AJ Rafael music video. They got married in 2012. In 2013, the duo started uploading six-second cover versions of popular songs to their Vine account, where they amassed 5 million followers as of the time when vine shut down in January 2017. In March 2014, they were signed to Republic Records. They are reported as being the first musicians to have signed to a major record label due to their presence on Vine. Wikipedia