Who was a member in more bands, Dave Williams or Gary Cherone? 
Gary Cherone: Gary Francis Caine Cherone ( ; born July 26, 1961) is an American rock singer and songwriter. Gary Cherone:  He is best known for his work as the lead vocalist of the Boston rock group Extreme, as well as his short stint as the lead vocalist for Van Halen on their 11th album "Van Halen III" and subsequent tour.
i don't know