A wide-ranging survey of this musical device, which identifies and traces the development of the two main types of rubato in the history of music. Hudson quotes extensively from the writings of theorists, composers, and performers to build a complete picture of its use in music from C.P.E. Bach to jazz. exhaustive study ... His diligence is impressive ... There is so much here of interest - from footnote comments to fundamental issues of interpretation ... One of the fascinations of this book is that by purporting to concentrate on rubato, it actually shows how much we have still to discover about the beat