John Joseph Hall (born July 23, 1948) is an American musician and liberal environmental activist, and was the U.S. Representative for New York's 19th congressional district, serving from 2007 to 2011. He is a member of the Democratic Party.
The 19th District includes all or part of five counties on both sides of the Hudson River: Westchester, Putnam, Dutchess, Orange and Rockland, with more than 650,000 residents. Hall also co-founded the rock band Orleans in 1972, a musical collaboration that continues to this day.

http://en.wikipedia.org/wiki/John_Hall_(New_York_politician)