Kristopher Michael Pooley (born October 30, 1976) is an American rock musician from Detroit, He is also the music director for Garrett Borns (born January 7, 1992), better known by his stage name Børns, an American singer and songwriter from which city in Michigan?
Kristopher Pooley:  He is also the music director for Katy Perry, Kesha, Demi Lovato, Adam Lambert, Børns, Rita Ora and has toured with Jane's Addiction, Kenna, Justincase, Liz Phair, Siouxsie Sioux, Nick Lachey, The Vandals, Smashing Pumpkins, Morrissey, and Melissa Etheridge.
i don't know