In the last ten years or so an interest in 'authenticity' has reached a wide public. Many of the best-selling records of Bach, Handel, Haydn and Mozart are those in which period techniques and period instruments are used. There is however a danger that new 'authentic' dogmas of style and interpretation will come to replace the anachronistic dogmas of the late romantic tradition. 'The search for an 'authentic' interpretation', writes Peter le Huray...