 There was also an OH series, with purple labels, for the WRC Opera Highlights series, often taken from interesting recordings or specially-made abridgements, and again presented in a uniform sleeve.From 1960 various recordings of musicals were made, and also three Gilbert and Sullivan operas, recorded for copyright reasons in Hamburg in 1961 ahead of the ending of copyright in the works.By this time the World Record Club was also releasing pre-recorded spool tapes of their LPs.