BHAVINI Vyas is at the National Portrait Gallery this Friday evening. Her extraordinary voice blends Indian and western techniques, performing Ragas, devotional and original songs.

• Amid the onslaught of traditional season fare, the Renaissance Singers are presenting a programme of sumptuous polyphony in the spirit of Advent at St George’s Bloomsbury this Saturday evening. Being sung is the cycle of nine antiphon settings by a group of mid-1530s composers working at Notre Dame and Ste Chappelle, Paris. Each antiphon begins with the exclamation “O!”

• Wilde Roses (above), an early music collaboration, is performing at Lauderdale House, Highgate, next Tuesday evening. The ensemble is a collaboration between singers, multi-instrumentalists, composer, dancers and performers, some having met while performing with Mediaeval Bæbes. Repertoire is drawn from illustrated manuscripts, courtly song books, Elizabethan broadside ballads and the foll tradition.

• Festive favourites, pop classics and maybe an operatic aria or two are being performed by Massive Violins at Cecil Sharp House, Primrose Hill, next Thursday evening. The all-singing, all-cello-playing seven piece promise to perform the season’s most joyful concert.