If you feel that Rääseikkö itself won't be enough, earlier the same day there's this event relatively close by
https://www.facebook.com/events/2519059971607708/?ref=newsfeed"Oamk's music technology major presents a concert where electronic and experimental music is heard. At Oamk, it has been possible to study music technology as a major subject within the music pedagogy education from autumn 2022. The teaching staff of music technology consists of Jussi Tuohino, Jari Niemi and Mikko Bergström. The students' sound synthesis performance heard in this concert was primarily coached by guest lecturer Juha Sipilä. All numbers of the concert are live performances, and they are performed with various sound systems, from an infrasonic subwoofer to multi-channel systems.
The duration of the concert is about an hour, free admission."