There Are At Least 2 Bands With The Name LD50. I LD50 Is A Sleeping Swedish Band Located In Sundsvall. So Far The Only Material Released Is The Demo "Easy Listening" From 1997. 2 LD50 Was An Early 80's Band From Frampton Cotterell Bristol England. The Band Had 4 Members Derek Normal Dave Morlok Idger And Manic Sab .