All-female symphonic metal supergroup Exit Eden put a metallic spin on pop hits by the likes of Rihanna, Madonna, Adele, Katy Perry, Lady Gaga, and the Backstreet Boys, cranking up the bombast with pounding riffs, operatic vocals, screeching guitar solos, and orchestral arrangements. The group was the brainchild of three German producers: Hardy Krech, Mark Nissen, and Hannes Braun were the in-house team at Elephant Studios, a small but well-respected outfit in the northern town of Flensburg, near the Danish border, whose work for the varied likes of Oonagh, Santiano, DJ Ötzi, ...