Complex sentence: In 1999 he co-founded the Vienna Belvedere Trio with artists from the Vienna Philharmonic Orchestra: the following year the trio made its debut in the hall of the Musikverein to critical acclaim.
Split into simpler sentences: In 1999 he co-founded the Vienna Belvedere Trio with artists from the Vienna Philharmonic Orchestra. In the following year the trio made its debut in the hall of the Musikverein to critical acclaim.