At age 16 Lavie toured Canada as a backup singer with the French-Canadian hip hop group Dubmatique, after which she recorded her own demo Civil Defense. Lavie"s demo Civil Defense reached the same producer who had co-written Mariah Carey"s first album, and Lavie accepted his invitation to move to California to work with him. In 2006, Lavie"s vocals were included on the soundtracks of the motion pictures Stick lieutenant and The Guardian. In 2007, Lavie became one of the earliest to use the Internet to reach fans and arouse interest of record labels.
By October her music video "Angel" was featured on YouTube"s front page and became a finalist in the 2007 YouTube Awards music category.
Lavie was listed as singer-songwriter in her first album, Everything or Nothing, which was released under an independent record label. In February 2010, Lavie produced and performed in the charity collaboration video "We Are the World 25 for Haiti (YouTube edition)" for relief of victims of the 2010 Haiti earthquake.
Journalist Diane Sawyer named the video"s contributors American Broadcasting Company News" "Persons of the Week." Since 2010 Lavie has been a vocalist of contemporary instrumentalist Yanni on his tours, contributing vocal tracks to Yanni"s 2012 live-concert Civil Defense/Digital Video Disc and Public Broadcasting Service special, Yanni Live at El Morro, Puerto Rico. In autumn 2014, Lavie joined the Eastern touring group of Transport-Siberian Orchestra as a vocalist.
Lavie was one of seven singers and musicians who were invited to participate in Canadian Broadcasting Company Music"s October 2014 Songcamp.
During Summer and Fall 2015, Lavie launched and promoted a Kickstarter campaign to complete, release and promote her sophomore album, due Fall 2015. In September 2015, Lavie announced she will join the Transport-Siberian Orchestra for their 2015 tour. Lavie also announced she will once more join Yanni as a lead vocalist, and she is scheduled to perform, with Yanni, at the Great Pyramids of Giza in Cairo on October 30, 2015.
Performances on others" albums or programs.