It's the nursery rhyme that inspired the title of a famous musical based on a 1913 G.B. Shaw work
.... title, 
they next turned for inspiration to the words of the old nursery rhyme... [DOC] [TLE] J. M. Barrie - Wikipedia [PAR] Sir James Matthew Barrie, 1st Baronet, OM (9 May 1860  19 June 1937) was a 
Scottish ...