 Despite the numerous recording dates for his solo albums , Barrett undertook very little musical activity between 1968 and 1972 outside the studio . On 24 February 1970 , he appeared on John Peel 's BBC radio programme Top Gear playing five songs — only one of which had been previously released . Three would be re @-@ recorded for the Barrett album , while the song " Two of a Kind " was a one @-@ off performance ( possibly written by Richard Wright ) . Barrett was accompanied on this session by Gilmour and Shirley who played bass and percussion , respectively . 
