Baritone James Cleverton has appeared in principal roles at the Royal Opera House Covent Garden, English National Opera, Glyndebourne Festival Opera, Scottish Opera, Welsh National Opera, Opera North, Opernhaus Zürich, Salzburg Festival, St Gallen, Opéra de Rennes and the major UK opera festivals. 

Recent performances include Das Rheingold for the Royal Opera House, Akhnaten, Satyagraha, Jack the Ripper the Women of Whitechapel and The Mask of Orpheus for ENO, Alzira for the Buxton International Music Festival, La Traviata for WNO, ROH and Opera North, The Magic Flute for Scottish Opera, Iris for Opera Holland Park and baritone soloist for the European premiere of Roberto Sierra's Missa Latina with the Orquesta y Coro Nacional at the Madrid National Concert Hall under the baton of Karen Kamensek.

Future plans include returns to the Royal Opera House Covent Garden, Scottish Opera, Welsh National Opera in La Traviata and Messiah with the Royal Choral Society & the RPO at the Royal Albert Hall.