User blog comment:Mr.123/On the Lookout For.../@comment-4820455-20170421095311/@comment-5782071-20170421130410

Sorry Wiles, Aldertron already beat you to the Seress artifact:

http://warehouse-13-artifact-database.wikia.com/wiki/Rezs%C5%91_Seress%27_Sheet_Music_for_%22V%C3%A9ge_a_Vil%C3%A1gnak%22

It sounds like you may have paraphrased the origin, since the names are a bit different, though Szomoru Vasarnap was the name popularized by another composer according to this page.