Mae'r Dyfodol yn Wennol
Mandy Leung - Aurora (solo clarinet)
Mansel Thomas - Requiem (& other sacred works)
Meirion Williams - Cwm Pennant
Meirion Williams - Cywyddau (high voice, piano)
Meirion Williams - Gwynfyd
Meirion Williams - Gwynfyd (E-flat)
Meirion Williams - Mai
Meirion Williams - Pan Ddaw'r Nos
Meirion Williams - Portreadau o Natur
Meirion Williams - Tri Darlun o'r Môr
Meirion Williams - Y Llyn
Meirion Wynn Jones - Beloved, let us love
Men of Harlech (Rhyfelgyrch Gwŷr Harlech)
Mentra Gwen
Merch Megan
Mervyn Burtch - Three simple string quartets
Mervyn Burtch Monograph
Mervyn Roberts – Ballad (for solo piano)
Mervyn Roberts – Four folksong studies (for solo piano)
