Mellotronists

I recall seeing Billy Currie and Ultravox in 1981.  (They played most 
of Vienna).  I thought that he used an Oxford Oscar synth to do those 
screeming overdrive solos.  It didn't go to market until 1983...so 
what did he use?  Whatever it was, it was fucking amazing.

http://www.obsolete.com/120_years/machines/oscar/

Clay