Isabel the pigeon

Isabel Makes Love Upon National Monuments

Isabel makes love upon national monuments
With style and enthusiasm and anyone at all.
Isabel's done Stonehenge and the Houses of Parliament,
But so far little Isabel's never played the Albert Hall.

Jake Thackray singing (YouTube)

John Philip "Jake" Thackray (27 February 1938 - 24 December 2002), was an English singer-songwriter, poet and journalist. Best known in the late 1960s and early 1970s for his topical comedy songs performed on British television, his work ranged from satirical to bawdy to sentimental to pastoral, with a strong emphasis on storytelling (Wikipedia)

Jake Thackray's songs were played on CBC Radio by Max Ferguson.