Accordion Music: To Vals Tou Gamou (video)
Video with accordion performance of "To Vals Tou Gamou" (also known as "The waltz of marriage" or "Το βαλς του γαμου). This waltz was composed by Eleni Karaindrou. Sheet music for this tune is in comments.
The waltz of marriage - Το βαλς του γαμου - YouTube