He seems determined to make a trumpet sound like a tin whistle.
Source: In Aneurin Bevan, vol. 1, ch. 8 by Michael Foot, 1962.
-- Aneurin Bevan, (Nov 15 1897-1960), English politician; He wa a controversial figure in post-WWar II British politics; one of the finest orators of the time and the architect of the national health service.