Janus (musical project) Janus (musical project) Janus is a German musical project led by Dirk "Rig" Riegert and Tobias Hahn. The name comes from Roman mythology, specifically the god Janus, who ruled over gates and doors. From the beginning, Janus consisted of only two members - Dirk "Rig" Riegert, songwriter and vocalist, and Tobias "Toby" Hahn, programmer and piano player. Throughout their albums Janus has used many guest musicians, up to and including an entire orchestra. Despite positive criticism, the debut album "Vater" failed to attract much attention. However, with further releases, Janus gained more popularity within the German alternative scene. The music
Platform screen doors be subsequently crushed when the train begins to move (see ). Cases of this happening are rare, and may depend upon door design. Half-height platform doors, or automatic platform gates, are chest-height sliding doors at the edge of railway platforms to prevent passengers from falling off the platform edge onto the railway tracks. Like full-height platform screen doors, these platform gates slide open or close simultaneously with the train doors. Half-height platform gates are cheaper to install than platform screen/edge doors, which require more metallic framework for support. Some railway operators may therefore prefer such an option to improve safety