After early music school years, with viola and piano as his first instruments, Antti Nissilä began his studies in composition at the Youth Department of Sibelius Academy in Helsinki. He completed his education with three degrees in music (teacher of music theory 1996, vocal teacher 1997, composer 2008) at Tampere Conservatoire and UAS.
As a composer Antti Nissilä has written commissioned works for orchestras, stage productions (two chamber operas, song plays), choirs, bands and solo artists. Music for wind ensembles has an important role in his composer's catalogue, and his music is frequently played by numerous junior and amateur bands as well as professional ensembles.
Antti Nissilä has appeared in barytone roles at Tampere Opera, Ilmajoki Music Festival and other venues in Finland, and as a soloist in large scale concert performances with choirs and orchestras. He has also worked as an opera choir master and conducted orchestras, bands and vocal ensembles.
Since 2015 Nissilä has been employed by world's northernmost town Hammerfest as a singer, vocal teacher and conductor. His duties also include the artistic direction of Hammerfest Storband (big band) and the wind band of Hammerfest Musikforening.