Exhibition is a type of Collection. Collection is related to Bunch. Bunch is a type of Form. 
Musician is related to Theater. you are likely to find Show in/at/on Theater. Presentation is a type of Show. Presentation is a type of Ceremony. 
Exhibition --IsA--> Collection <--RelatedTo--> Bunch --IsA--> Form 
Musician <--RelatedTo--> Theater <--AtLocation-- Show <--IsA-- Presentation --IsA--> Ceremony 