INTRODUCTION.
https://en.wikipedia.org/wiki/Swan_song
The swan song (ancient Greek: κύκνειον ᾆσμα; Latin: carmen cygni) is a metaphorical phrase for a final gesture, effort, or performance given just before ...
www.phrases.org.uk/meanings/swan-song.html
The meaning and origin of the phrase 'Swan song'. phrases, sayings, proverbs and idioms at. ... "Observation shows that the story that the dying swan sings is false."
www.thefreedictionary.com/swan+song
swan song n. 1. A farewell or final appearance, action, or work. 2. The beautiful legendary song sung only once by a swan in its lifetime, as it is dying. [From the ...
THIS 'SWAN SONG' BLOG BY GETHIN ap GRUFFYDD.