Famous series of weekday lunchtime concerts given in Nat. Gallery, London, during World War II from 10 Oct. 1939 to 10 Apr. 1946 (a total of 1,698 concerts). Est. by Dame Myra Hess, who herself played many times. Several works f.p. at these concerts. Proceeds (nearly £16,000) went to Musicians' Benevolent Fund.