Sarah Walker retreads the path of a pair of postserialists with Jean Barraque 's Concerto of 1968 (Paul Mefano directs Ensemble 2e2m) and Henri Pousseur 's Phonemes pour Cathy (sung by Linda Hirst ). Also, another opportunity to wonder at Andrew Hugill 's surreal guide book to life, Brisset Rhymes , performed by Sara Stowe and Matthew Spring. Producer Alan Hall