Rock Against Sexism ( RAS ) was a political and cultural movement dedicated to challenging sexism in the rock music community , pop culture and in the world at large .

RAS started Process_start in the UK in 1978 , and by the mid-1980s also had a presence in North America .

In the US , RAS Boston sponsored Supply monthly dance parties at a local gay bar , the 1270 .

RAS sponsored Supply music workshops on writing , playing and promoting events .