John Birchensha

�Reading this volume increases one's curiosity about the place of the Royal Society within Resoration London's musical life... This is a substantial volume, well indexed and with quite an extensive bibliography; it will be of particular interest to specialists in music theory, but it also gives some valuable glimpses of the wider intellectual climate of Restoration London.� The Consort �The volume represents the ne plus ultra for a scholarly edition. Not a name, concept or source is mentioned that does not receive a gloss or complete commentary. The introductions and critical apparatuses themselves could serve as a bibliographical entr�to the scholarship of mid-17th-century music theory...a magisterial achievement and certainly the last word in presenting the ideas of this erudite musician caught in the spirit of the Scientific Revolution as he struggled to apply mathematics to the art of music.� Early Music '... not only a comprehensive collection of Birchensha's writings, but also a fascinating account, both through those writings and the editors' extensive and sensitive commentary upon them, of the career and personality of this 'rare artist'... The editors' contribution both to the conception and execution of this volume is commendable, especially in the extended notes to each chapter which clarify terminology both musical and mathematical, fill in indispensable context, and cross-reference with other theoretical texts. The lengthy Introduction, too, provides a concise and informative account of Birchensha's life and an invaluable overview of his writings and their many interrelationships; it will surely remain the standard biographical account for many years to come. The transcription is exemplary in its clarity and attention to detail.' Viola da Gamba Society Journal '... comprehensive and authoritative... The main achievement of this volume is [...] to make available in a critical edition a body of work, much of which was previously unknown and