Where Everybody Knows Your Name the Charles Brothers gave it their stamp of approval, and once Portnoy and Hart Angelo had complied with a request for a few lyric changes intended to broaden the song's appeal to a more general audience, "Where Everybody Knows Your Name" was officially designated the "Theme from "Cheers"". The original opening verse: was changed to: After several months of mulling over possible outside singers, the producers eventually asked Gary Portnoy to record the vocal for the opening credits of their new series. (The chorus of the song is six of Portnoy’s vocals that he recorded one on top of the
Daniel A. Portnoy Pennsylvania, where he collaborated with Dr. Lewis Tilney in the Biology Department and made the observation that "L. monocytogenes" spreads from one cell to another by exploiting a host cell system of actin polymerization. His lab also defined the role of the listerial hemolysin in mediating dissolution of phagosomes. In collaboration with Dr. Philip Youngman, he showed that expression of the "L. monocytogenes" hemolysin by "Bacillus subtilis" led to its growth inside of host cells. Dr. Portnoy collaborated with Dr. Yvonne Paterson, who also arrived at Penn in 1988, on the use of "L. monocytogenes" as a recombinant vector-based vaccine