Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Alfred Dürr was a German musicologist. He was a principal editor of the Neue Bach-Ausgabe, the second edition of the complete works of Johann Sebastian Bach.Dürr studied musicology and Classical philology at the Georg-August-Universität Göttingen from 1945 to 1950. He wrote his thesis about Bach's early cantatas. From 1962 until 1983 he was the director of the Johann-Sebastian-Bach-Institut in Göttingen. Dürr received honorary doctorates of music from the Humboldt-Universität zu Berlin, the University of Oxford and Baldwin Wallace College in Ohio. His 65th birthday was marked by a Festschrift Bachiana et alia musicologica. Dürr researched the works of Bach, especially the history of his works concluded from the sources. He was a principal editor of the Neue Bach-Ausgabe, the second complete edition of Bach's works, a historical-critical edition based on the sources, published between 1954 and 2007