Peter Johannes Maag ( May 10 , 1919 -- April 16 , 2001 ) was a Swiss conductor . Peter Maag ( Ernst Peter Johannes Maag ) ( 10 May 1919 - 16 April 2001 ) was a Swiss conductor .
Peter Johannes Maag (10 Mei 1919 - 16 April 2001) merupakan konduktor Switzerland. Peter Maag (England Peter Johannes Maag) (10 Mei 1919 - 16 April 2001) merupakan seorang konduktor Switzerland.