The singer-songwriter fielded questions from fans while giving a performance as part of the radio station's Underground concert series on September 11.
John Mayer Interacts With Fans at Y 100 in Miami
MIAMI - SEPTEMBER 11: John Mayer performs at radio station Y 100 Underground concert series on September 11, 2010 in Miami, Florida. (Photo by Larry Marano/Getty Images)
Monday, Sep 13, 2010 Updated at 3:00 AM EDT