 This round is rarely included on the BBC Radio Collection CDs of the series, owing to reproduction rights on the original recordings.It appeared on CD for the first time on the 2008 release I'm Sorry I Haven't A Clue Live 2.Along with Mornington Crescent and Sound Charades, this is one of the games where the introduction has acquired a life of its own, and is the only segment in which points are discussed by Lyttleton, who promises to award points to anyone who is "Within a gnat's crotchet" or "a midge's minim".