STANDARD MUSIC LIBRARY Heavy Group Activity / Light Group Activity (1974 UK limited edition 16-track non-commercial LP, issued in very small quantities on the Standard Music Library label, which began life as a joint venture between London Weekend Television and publisher David Platz. This album is credited to The Midas Group who explore a myriad selectioon of pop/rock sounds, from the funky wah wah sounds of the wonderfully titled 'Dad's A Pergerinator' to the superb heavy rock of'Natch' and 'Zeppelin'. The sleeve shows only minor wear and the vinyl looks barely played ESL128)