Torrie Zito is an American pianist, music arranger and conductor. He has worked with many recording artists of note, including Tony Bennett, Frank Sinatra, Barbra Streisand, Bobby Darin, Morgana King, and Carly Simon. Zito however, is most widely known for his work with John Lennon on the classic Lennon composition "Imagine," as arranger. He is married to singer Helen Merrill. Wikipedia
The definitive Wikipedia entry for Torrie Zito. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Torrie_Zito
My brother, Ronnie Zito, is a professional drummer, working in New York; he spent a while with Woody Hermans band. www.jazzprofessional.com/interviews/Torrie%20Zito.htm