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Sioned Gwen is from Colwyn Bay, North Wales. She studied at the Guildhall School of Music and Drama in London where she gained a MMus degree and in 2012 completed her post graduate studies on their Opera Course. She subsequently worked for two years with various opera companies before being sponsored by Glyndebourne to train at the National Opera Studio where she completed her studies in June 2015.

At the beginning of 2017 Sioned made her Spanish debut as Olga in Eugene Onegin with Opera Valladolid and sang Second Lady in The Magic Flute with Longborough Festival Opera. Forthcoming plans include Olga in Eugene Onegin and Stewardess in The Flight with Scottish Opera. Recently Sioned performed the roles of Third Nymph, Rusalka and Pitti-Sing, The Mikado both for Scottish Opera. In 2012 Sioned Gwen joined Glyndebourne Festival Opera, and performed the role of Margarida in The Yellow Sofa for their Jerwood Project in both the Festival and autumn tour.
In 2013 she performed the role of Kate in The Pirates of Penzance for Scottish Opera soon after became an Emerging Artist with the company where she took on the roles of Edugie in Rodelinda and 3rd Witch in Macbeth. Sioned returned to London and Glyndebourne in 2014 where she covered the role of Olga in Eugene Onegin and Annina in La traviata.

​Following her success in the Welsh Singer Competition 2016, Sioned recently had the honour of representing Wales in the prestigious BBC Cardiff Singer of the World Competition 2017. In 2012 she was a finalist in the Welsh Singers’ Competition and a semi-finalist in the Kathleen Ferrier Awards. Other competition successes include first prize winner in the 2009 Llangollen International Eisteddfod , first prize winner the 2009 National Eisteddfod of Wales and she was awarded the most outstanding performer at the 2009 North London Festival. She was also a finalist in the Jackdaws Great Elm Vocal Awards at the Wigmore Hall and the Thelma King Award in Bath.

Whilst a student, she performed Marcellina in Le Nozze di Figaro for British Youth Opera. Roles performed at the Guildhall School of Music and Drama were Hermia in A Midsummer Night’s Dream, Frau Reich in Die Lustigen Weiber von Windsor Marta in Iolanta, and Mere Jeanne in Dialogue des Carmelites. She also understudied Madame de Croissy in Dialogue des Carmelites and understudied Florence Pike in Albert Herring.

Performing highlights in concert include Henze’s Voices at the Barbican Hall, London, the Alto Solo in Stravinsky’s Les Noces in LSO St.Lukes, London, Handel’s Messiah with the Lund Chamber Choir in Sweden, Vaughan Williams’ Serenade to Music accompanied by Graham Johnson. Sioned Gwen also performed in a concert in the presence of His Royal Highness, The Prince of Wales, at Caerphilly Castle.

Mae Sioned Gwen Davies yn wreiddiol o Fae Colwyn yng ngogledd Cymru. Astudiodd yn y Stiwdio Opera Genedlaethol ac Ysgol Gerdd a Drama’r Guildhall trwy gefnogaeth hael Opera Glyndebourne a ddarparodd iddo Wobr Datblygu Artist Ifanc, a Gwobr Datblygu Gyrfa Sefydliad Bryn Terfel.

Yn ddiweddar perfformiodd ran y Drydedd Nymff yn Rusalka a rhan Pitti-Sing yn Y Micado y naill a’r llall ar gyfer Opera’r Alban. Perfformiodd y brif ran yn Carmen Bizet mewn addasiad Cymraeg gan Opera Cymru yn yr Eisteddfod Genedlaethol yn 2015. Ymunodd ag Opera’r Alban yn 2013 er mwyn perfformio rhan Kate mewn taith genedlaethol o The Pirates of Penzance a daeth yn Artist sy’n dod i Amlygrwydd yn ystod 2013/14 gydag Opera'r Alban gan berfformio rhannau Eduige yn Rodelinda Handel a’r Drydedd Wrach ym Macbeth, Verdi ar gyfer y Cwmni. Perfformiodd ran Margarida yn The Yellow Sofa ar gyfer Prosiect Jerwood Opera Glyndebourne ac hefyd ar daith yr hydref yn ystod 2012, gan ddychwelyd unwaith eto yn 2014 er mwyn perfformio rhannau Olga yn Eugene Onegin ac Annina yn La traviata.

Mae wedi cael llwyddiant mewn nifer o gystadlaethau yn cynnwys y wobr gyntaf yn Eisteddfod Ryngwladol Llangollen yn 2009, y wobr gyntaf yn Eisteddfod Genedlaethol 2009 a dyfarnwyd iddi wobr y perfformiwr mwyaf trawiadol yng Ngwyl Gogledd Llundain 2009. Yn ogystal mae wedi cyrraedd y rownd gynderfynol Gwobrau Kathleen Ferrier a rownd derfynol Gwobrau Lleisiol The Jackdaws Great, Gwobr Thelma King, MOCSA a chystadlaethau Canwr Cymreig Ifanc Cymry Llundain.

Mae ei huchafbwyntiau mewn cyngherddau yn cynnwys Voices, Henze yn Neuadd y Barbican, Llundain, yr unawd Alto yn Les Noces, Stravinsky yn yr LSO St. Luc, Llundain,
Messiah, Handel gyda Chôr siambr Lund yn Sweden a Serenade to Music Vaughan Williams i gyfeiliant Graham Johnson.
Perfformiodd yn yr Arddangosiad o leisiau Cymru Brynfest Bryn Terfel yng Nghanolfan y Southbank, Llundain a chael y fraint hefyd o ganu mewn cyngerdd ym mhresenoldeb ei Uchelder Brenhinol, Tywysog Cymru yng Nghastell Caerffili. Yn ddiweddar mae wedi perfformio’r unawd mezzo-soprano yn y perfformiad cyntaf yn unrhyw le yn y byd o’r gwaith newydd, Arctic Elegy gan Edward Andrew Jones yn Aberdeen. Yn ogystal mae wedi bod ar daith cyngherddau gyda Siambr o Gymru, Ensemble Cymru. ​

"Sioned Gwen Davies'... dominated the stage vocally and dramatically."

Eduige (Cover)
Rodelinda, Handel
ENO, London Coliseum
Edugie (Cover)
Rodelinda, Handel
ENO, London Coliseum
Edugie (Cover)
Rodelinda, Handel
ENO, London Coliseum