They hit the topten with three instrumentals in the early 1960's. "Theme from The Apartment", "Exodus", and "Tonight" from "West Side Story."
http://www.latimes.com/news/obituaries/la-me-arthur-ferrante21-2009sep21,0,5788034.story
http://www.latimes.com/news/obituaries/la-me-arthur-ferrante21-2009sep21,0,5788034.story