Within two years, he won the Concours National of the 1964 EXPO in Lausanne, followed by appearance on television and radio around Switzerland.
He proceeded to study under Eva Zurbrügg, Ulrich Lehmann, Yehudi Menuhin, Nathan Milstein, Magda Lavanchy and Salvatore Accardo.
[1] At 15 he gave his debut performance of Mendelssohn’s Violin Concerto with Armin Jordan and the Tonhalle Orchester Zürich, where he returned regularly as soloist and from 1981-1985 also as leader.
[6] Alexandre Dubach has taught in Castel del Monte, Zürich (at the master classes after A. Grumiaux and N. Milstein), Delémont and Sion and is also in great demand as a teacher in eastern Europe.
[7] In 2012 it was reported that he forgot a valuable Stradivarius violin he had borrowed from the befriended owner in a railway train while returning from a long concert evening.