Colleen Marie D'Agostino is a singer and songwriter from Simi Valley, California. She is best known for her multiple collaborations with deadmau5 and her vocal work in the rock band The Material. In 2013, she was featured in Canadian producer deadmau5's song "Drop The Poptart". The song was originally posted to deadmau5's personal SoundCloud profile, but was not officially released until 2015 (under its new title "Stay - Drop the Poptart Edit", now credited as 'Colleen D'Agostino feat. Read more on Last.fm