In 2005, Sperber fronted the band Ley Royal Scam, a pop-act that included keyboardist Tyler Pursel.

[3] The band separated later that year, leaving Pursel to pursue work touring as keyboardist with rap rock group Gym Class Heroes.

[2] After the separation of Ley Royal Scam, Sperber relocated to Oregon for "introspection and recharging", but was contacted in 2006 by former bandmate Pursel who was working on the East Coast of the United States, to appear on an upcoming project.

[4] In 2007, she sang on the Intramural song "Impairment Begins with the First Drink", from the album This Is a Landslide by former Desaparecidos guitarist Denver Dalley.

[6] In 2011, Sperber and Neil Sabatino of Fairmont joined to record as Mergers & Acquisitions, releasing an electro-pop EP, Grape Soda.