Emanuel Treu Erfolgreich, aber rasch
Emanuel Treu Erfolgreich, aber rasch, Music Business Reference Book, How musicians achieve their goals faster with less effort, Volume 1 of the series ""The Successful Musician"" by Emanuel Treu, Updated and expanded new edition, Guide to success in the music business, Tips for more efficiency, ISBN 9783200060289, Format: DIN A5, 200 Pages, In German language