Here is a video with Swedish Mandolin Mafia playing a traditional Finnish marsch, Peli-Jussin Syömämarssi. The group is lead by Magnus Zetterlund (Sweden) and Petri Hakala (Finland).
The video was recorded at outdoor rehearsal and live concert in Järna, Sweden, August 2018.
Video by Sandra Eriksson. https://www.sandraeriksson.nu
This years MANDOLIN festival Brogärde/Järna, Mandolin Festival is happening August 10-11, 2019.