Supersister is a Dutch progressive rock band formed in The Hague, Netherlands in 1968. The classic lineup consisted of Robert Jan Stips (keyboards, vocals), Sacha van Geest (flute), Marco Vrolijk (drums) and Ron van Eck (bass). The group underwent multiple lineup changes over the course of its history, including the deaths of van Geest and van Eck. Their first and biggest hit was "She Was Naked" in 1970.
