There are at least three bands called Erato.
1) Gothic rock / darkwave band from Belgium, founded in 1993. The band members describe their sound as the "rare blend of the purest new-wave sound of the eighties and contemporary rock". Released at least four albums in 1996-2009, still active.
2) Swedish vocal trio (Amanda Wikström, Petra Brohäll and Ebba Andersson).
3) Techno / house project, country unknown, released one single in 1992, probably no longer active.... Полная биография