Fišers started as baritone before becoming a tenor.
In 1939, Fišers finished the Liepāja conservatory.
1941–48, he worked at the Liepāja opera theater, first in the
chorus, from 1945 as a baritone soloist.
Starting in 1948, Fišers was a soloist at the
Latvian Opera in Riga.
His roles included: Demon, Onegin, Scarpia, and Renato.
In 1955, Fišers began to sing dramatic tenor parts such as
Vsevolod (Skazanie o nevidimom grade Kitezhe i deve Fevronii/The legend of the invisible city of Kitezh and the maiden Fevronija),
Radames, Canio, Cavaradossi, Sergej (Katerina Izmajlova),
Ovod (Ovod/The gadfly by Spadavecchia),
Aivars (Uz jauno krastu/Towards the new shore by Marġeris Zariņš),
Johnson, Rodolfo,
Don Carlo, José, Pedro (Tiefland), Antiņš (Zelta zirgs/The golden horse by Žilinskis),
Vižuts (Baņuta by Alfrēds Kalniņš),
Kangars (Uguns un nakts/Fire and night by Jānis Mediņš) ....
Reference 1: Arkadij Pruzhanskij, Otechestvennye pevtsy 1750–1917, vol. 1, Moscow 1991
Reference 2
