Original: The Ensemble included his wife Marie Leonhardt ( b. 1928 ) and Eduard Melkus ( violins ) , Alice Harnoncourt-Hoffelner ( violin , viola ) , Nikolaus Harnoncourt ( cello ) , and Michel Piguet ( oboe ) .
Simplified: The ensemble included his wife Marie , as well as Nikolaus Harnoncourt who played the cello .