Night is a synonym of Shadow. Shadow is related to Corner. Corner is a type of Control. Control is a synonym of Guidance. 
Musical is related to Organ. Heart is a type of Organ. Heart is related to Cell. Cell is related to Joint. 
Night <--Synonym--> Shadow <--RelatedTo--> Corner --IsA--> Control <--Synonym--> Guidance 
Musical <--RelatedTo--> Organ <--IsA-- Heart <--RelatedTo--> Cell <--RelatedTo--> Joint 