"The ambient Century reveals the drift in twentieth-century music. From composers to non-musicians. From strict rules to no rules. From the single note to the sample. From the expanding classical horizons of Mahler, Satie and Debussy to the revolutions in electronic music inaugurated by Stockhausen and Cage. From the Indian-influenced Minimalism of Philip Glass and Terry Riley to the 'unlocking' sound worlds of Brian Eno and Arvo Parti through the...