Les Six
The vocal group Les Six were formed specifically to perform mediaeval and renaissance repertoire in authentic style.
Countertenor: Hartley Newnham
Tenors: Simon Biazeck, John Heuzenroeder, Tom Healey, Grantley McDonald
Bass: Jerzy Kozlowski
Les Six is featured on the following titles

Hæc Dies
Easter at Notre Dame, Paris, c.1220. Music for Easter Sunday Mass as it may have been heard at Notre Dame early in the thirteenth century: chant propers, a complete ordinary cycle in two-part Leoninus-style settings, and three-part organum in the style of Perotin.

A Florentine Annunciation - The Music of the 14th Century Vol. 4
The Music of the Fourteenth Century series presents some of the earliest and most significant polyphonic settings of late-medieval lyric poetry. This volume offers music for the Feast of the Annunciation, performed by Les Six.
Members of Les Six

Hartley Newnham
Hartley Newnham is an Australian countertenor whose repertory runs from troubadour song and mediaeval monody to the avant-garde. A long-standing member of La Romanesca, he is also a composer and a noted advocate of new Australian vocal works.

John Heuzenroeder
Announcing the winner of the 1996 City of Melbourne Song Recital Award, the judges described John Heuzenroeder's performance as one which struck them ‘as having a most unusual sense of style – a performance you know you will long remember.’
Grantley McDonald
Grantley McDonald is a Melbourne tenor whose catalogue work centres on mediaeval and renaissance vocal repertoire with specialist early-music ensembles.
Jerzy Kozlowski
Jerzy Kozlowski is a bass whose Move recordings centre on contemporary Australian song and opera, alongside early vocal repertoire with the ensemble Les Six.