Pettinger has been the primary songwriter in all of her original projects and has collaborated with such artists as Garth Hudson from The Band and Bob Dylan, Raine Maida of Our Lady Peace, Jack Lawrence of the Raconteurs and Atom Willard of Alkaline Trio.

Her debut release The Lost Cause[3] was produced and engineered by Raine Maida, lead singer of Canadian rock band Our Lady Peace.

After The Blue Collar Bullets, Pettinger put together a lineup of musicians and within twelve days of forming, Billy and the Lost Boys played their first concert.

In addition to pre-orders and specialized bundles, she traveled across the continent to play fundraisers, anniversaries, birthday parties and private concerts as well as go camping, white water rafting and rock climbing with fans.

Pettinger's songs have appeared in The Voice, A&E's Biography, Miami Ink, America's Got Talent, American Idol, My 600 LB Life, Larry Crowne starring Tom Hanks and Foreverland featuring Juliette Lewis.