I think many wanted just listen and enjoy the music itself without making noise; just like in classical concerts. This is quite something to experience; just my two cents..
+Kmasterz Sanchez Hey maan! its just finnish style. We have no passionate for anything, We cant cheer for the thing we love, seriously. I was there and i got so many weird looks that night because i was just feeling the music and had like best euforic feeling of my life.