Listen to Demon Float, By, Whoosh, Dismal Sound Effect online. Demon Float, By, Whoosh, Dismal Sound Effect is an English language song and is sung by Pro Sound Effects Suite. Demon Float, By, Whoosh, Dismal Sound Effect, from the album Pro Sound Effects Suite 42 - Transitions and Whooshes, was released in the year 2007. The duration of the song is 0:12. Download English songs online from JioSaavn.