N. F. Simpson which no episodes survive. His final series for television was the unsuccessful "Charley’s Grants" (1970), co-written with John Fortune and John Wells, starring Hattie Jacques, and produced by Ian MacNaughton (who produced "Monty Python’s Flying Circus"), which is also entirely lost. Plays followed, including a satire on advertising, "Thank You Very Much" (1971), and an effective three-hander for ITV, "Silver Wedding" (1974), directed by Mike Newell. Simpson’s highest-profile production for television was "Elementary, My Dear Watson" (1973), a Sherlock Holmes parody for BBC One’s "Comedy Playhouse" starring John Cleese and Willie Rushton. It has been screened several times at the
Heritage of the March Recordings, in collaboration with the Robert Hoe Foundation, began making the collection available as compact discs with the release of the "Heritage of John Philip Sousa" in Summer 2011, followed by the first two volumes of the "Heritage of the March" in 2012. Heritage of the March Heritage of the March is a series of 185 vinyl records of marches and galops released from 1973 to 1988. It remains the largest single march music record series in history, featuring close to 3,000 different marches. The records were distributed for free by march collector Robert Hoe and the series was continued