Which songwriter played the harmonica, John Popper or Philip Oakey?
John Popper John Popper (born March 29, 1967) is an American musician and songwriter. He is most famous for his role as frontman of rock band Blues Traveler performing harmonica, guitar, and vocals.
Jean Schwartz Jean Schwartz (November 4, 1878 – November 30, 1956) was a Hungarian-born American songwriter.