Wikipedia: “Whispering Grass (Don't Tell The Trees)" is a popular song written by Fred Fisher and his daughter Doris Fisher. The song was first recorded by Erskine Hawkins & His Orchestra in 1940. The Ink Spots featuring Bill Kenny also recorded it the same year. A live instrumental version was played and recorded by Johnny Hodges with Duke Ellington and his orchestra in the Cristal Ballroom, Fargo, North Dakota, also in 1940.
"Whispering Grass" was a 1975 UK number-one single by Windsor Davies and Don Estelle.[1] Davies and Estelle were actors in the successful sitcom It Ain't Half Hot Mum. It was number one in the UK Singles Chart for three weeks from 7 June 1975.[2] The record is a comic version of The Ink Spots' 1940 recording, and was sung in character.