A love song penned by the 30-year-old music teacher from Finchley, London, is in Sunday's Song for Europe final. If it wins, his composition will go on to represent Britain at the Eurovision song contest.
"I wish I could say it was inspired by a woman in my life but there's not much time for relationships when you're teaching," said Mr Davies, who worked at Watford girls grammar school.
"I had been composing and teaching for five years, but it was the usual story. I was coming home in the evenings and doing marking then starting my 'other' job and you can't carry on like that forever."
His song "Now and Forever" is being performed by R'n'B singer, Simon Chapman.
Mr Davies faces stiff competition in the final, from EastEnders theme tune writer Simon May and John Brant who have teamed up with Mimi Kevan, 16, from Matravers School, Westbury, Wiltshire.
The teenager, who will be singing "Ever Since That Night", has been juggling rehearsals with study for her GCSEs which she hopes will be another success story.
Other songs in the final are "Cry Baby" written by Martin Isherwood and performed by Jemini and "Help Me" written by Simon Hill and performed by Emily Reed.
The Song for Europe final IS on March 2 on BBC 1 and will be presented by Terry Wogan. The winning song will represent Britain at the Eurovision Contest in Latvia on May 24.