In this Italo Disco project, Roby was represented by vocalist and stage performer Simona Zanini, and Topo was a robot. The music was actually produced and performed by Aldo Martinelli and Fabrizio Gatto, with Zanini s vocals and percussion by Franco Di Trani. Other MartinelliGattoZanini collaborations included Martinelli, Doctor s Cat, and Raggio Di Luna.