[3] The distinctive instrumental arrangement, including oboe, clarinet, cor anglais, and French horn, was suggested by assistant producer Tony Visconti.

[4] In a promotional stunt for the record, — typical of the band's manager Tony Secunda — a postcard was released with a cartoon of a naked then-Prime Minister Harold Wilson in bed with his secretary Marcia Williams.

This arrangement, which remains in force, saw royalties go to the Spastics Society and Stoke Mandeville Hospital during the period of the single's chart success.

In the 1990s, The Observer newspaper reported the royalties had exceeded £200,000 and that the Harold Wilson Charitable Trust had extended the range of beneficiaries to include, among others, the Oxford Operatic Society, Bolton Lads Club, and the Jewish National Fund for Israel.

[4] "Flowers in the Rain" achieved its own place in pop history by being the first record[4] to be played on BBC Radio 1 when the station was launched on 30 September 1967.