Copperphone is a microphone used by the multi-instrumentalist who studied at what college for 3 years?
Copperphone:  Placid Audio microphones have been used by many artists including Green Day, Queens of the Stone Age, Lou Barlow, Rush, Norah Jones, Jack White, St. Vincent, The Bright Light Social Hour, as well as Grammy Winning producer Jacquire King St. Vincent (musician):  After studying at Berklee College of Music for three years, she began her music career as a member of the Polyphonic Spree.
Berklee College of Music