Plot: The third in a series of five programmes from the 1970 Season of Henry Wood Promenade Concerts at the Royal Albert Hall. Academy of St Martin-in-the-Fields, leader Alan Loveday, conductor Neville Marriner, Simon Preston, Philip Ledger, Christopher Hogwood (harpsichords) Bach Concerto No 2 in C major, for three harpsichords and strings The Soft Machine Hugh Hopper (guitar), Mike Ratledge (organ/electric piano), Robert Wyatt (drums), Elton Dean (saxophones) Introduced by Richard Baker