All just my personal opinion
Concert review, Reto Knöpfel, Leticia Kahraman, Andrea Wiesli @ ETH Zurich, 2017-12-19 — Christmas Concert “Bei Menschen, welche Liebe fühlen”: Lied and aria duets by Robert Schumann, Johannes Brahms, Felix Mendelssohn Bartholdy, Wolfgang Amadeus Mozart, Antonín Dvořák, Gioacchino Rossini, and Franz Lehár
Concert review, Philipp Mahrenholz, La Scintilla dei Fiati @ Zurich Opera, 2017-10-02 — Beethoven: Overture to “Egmont”, op.82 (arr. Starke), Wind Octet, op.103; Jonathan Dove (*1959): “Figures in the Garden” (1991); Mozart: Serenade No.12 in C minor, K.388
Christmas Concert in the Semper-Aula of the ETH Zurich, 2016-12-06, commemorating Mozart’s death 225 years ago: Manuela Dumfart, Olga Privalova, and Thomas Hansen singing arias, duets and trios from Mozart’s operas, and three Notturni. Accompaniment: Prof. Josef Wallnig