O.E.Deutsch's documentary biography of Mozart, first published in German in 1961 and translated into English in 1965, presented all the contemporary documentation on Mozart then known to scholars. During three decades of research more have come to light, and Dr Eisen himself has substantially augmented their number with a methodical search through contemporary research material - newspapers, diaries, memoirs, books and many others. This new edition presents all the material discovered since the English edition of the Deutsch volume, with full description and documentation. This book is essential reading for anyone concerned with the basic information on Mozart's life, his activities and the reception of his music.