This poem was sung to piano accompaniment on evening of 1st April 23 on RTE radio lyric FM-in The Purple Vespertine hosted by Ellen Cranitch An album Pianophony was played where pianist was Ryan Molloy and singer Shauna Mullins This can be listened to in playback on RTE online It is a very beautiful piece of music and song. I searched to find origin of lyric and appreciate finding answer here-- Thank you I enjoyed reading the poem and learning the correct words for song I had listened to and knowing who the writer is--