John began writing music at the age of 12. His first band, Family Crisis, played shows with 7 Seconds and Bad Religion. In 1994 he formed Goldfinger as lead singer, songwriter, producer, and mixer. Known for dynamic live performances, Goldfinger played 385 shows in 1996 alone. Goldfinger has sold 4 million albums worldwide. During his time as an A&R for Red Bull, Maverick & Warner Bros. Records, Feldmann signed The Used, D.R.U.G.S, Goldfinger, Showoff, City Sleeps, Story of the Year, Foxy Shazam, Mest, Itch, Blit