In traditional European music the base chord isa triad consisting of two thirds. Major (major +minor third) as well as minor (minor +majorthird) chords may be extended with more thirds. Four-tone seventh chords and five-toneninthmajor chords are most often used as dominants (functional harmony).
Kotka (literally eagle) is a town and municipality of Finland. Kotka is located on the coast of the Gulf of Finland at the mouth of Kymi River and it is part of the Kymenlaakso region in southern Finland.
Shiveluch is the northernmost of the active volcanoes on the Kamchatka Peninsula. The peninsula is along the convergent boundary of two slabs of the Earthâs crust: the Okhotsk Plate to the west and the Pacific Plate to the east. Just offshore of the Kamchatka Peninsula is an impossibly deep trench in the ocean floor where the Pacific Plate is diving (subducting) beneath the Okhotsk Plate.