Musical is related to Scale. Scale is related to Rate. Rate is related to Annual. 
Sex can be Good. Good is a type of Advantage. Advantage is related to Odds. Odds is a type of Ratio. 
Musical <--RelatedTo--> Scale <--RelatedTo--> Rate <--RelatedTo--> Annual 
Sex --HasProperty--> Good --IsA--> Advantage <--RelatedTo--> Odds --IsA--> Ratio 