Artist is related to Musician. you are likely to find Musician in/at/on Tour. 
you are likely to find Judge in/at/on Wedding. Marriage is created by Wedding. Marriage is related to Engagement. Engagement is related to Diamond. 
Artist <--RelatedTo--> Musician --AtLocation--> Tour 
Judge --AtLocation--> Wedding <--CreatedBy-- Marriage <--RelatedTo--> Engagement <--RelatedTo--> Diamond 