Porto
Alegre Symphony Orchestra - OSPA
Berlin
Philarmonic Orchestra
Boston Symphony
Orchestra
Orchestra
of UFSM
MUSICON
- Brasilian Music Guide
UFRGS
Choir Goldberg
Musical Editions
Dafne Artistic Productions
Verões musicais - music courses (e- mail) Sílvio
Viegas - conductor (e-mail) Lúcia
Teixeira - conductor (e-mail) Adroaldo
Cauduro - conductor (e-mail)
Leo Fuhr - conductor (e-mail)