There Are Multiple Artists Who Use The Name Quadra 1. Japanese Electronic Musician Hiroshi Watanabe. Also Released Material Under Name Kaito. 2. L.A Based DJ Ido Liran Who Has Made 4 Albums “Digital Stimulant“ “Serotonia” “One Nation Under Trance" And “Voice Of Reason“. 3 A Post-Rock/space Disco Band From Braga Portugal