Two Pembrokeshire songwriters are in the running for a £10,000 prize tonight (Sunday), as their songs have been shortlisted for the finals of Cân i Gymru (Song for Wales).

Former Ysgol y Preseli student Megan Rhys Williams, from Hermon, wrote the song Gwên ar fy Wyneb (Smile on my Face) as part of her A-Level music course at Ysgol y Preseli, with encouragement from her teachers Trystan Phillips and Meleri Williams.

Megan, is currently studying Welsh at Cardiff University and is a member of the Waun Ddyfal youth choir.

The 19-year-old will wait anxiously backstage during the live final of S4C’s annual song-writing competition tonight, as Beth Williams performs Gwên ar fy Wyneb in the final.

Newport's Lowri Evans has also made it to the final with her song Pob Siawns (Every Chance) which was co-written with music partner and guitarist Lee Mason. The duo came second in the 2008 competition with their song Ti a Fi.

Pob Siawns was composed as a last minute entry by folk singer Lowri and Lee and its written to encourage people to take every chance that comes in life.

A panel of musical experts, including Endaf Emlyn, Catatonia’s Owen Powell and Elin Fflur, picked Megan and Lowri's songs from hundreds competing for the prestigious Cân i Gymru prize.

If successful, the Pembrokeshire songwriters could win a first prize of £10,000; a second prize of £2,000 or a third prize of £1,500.

Gwên ar fy Wyneb and Pob Siawns will go head to head with six other finalists on Cân i Gymru, S4C, at 7.30pm tonight.