Operation is related to Like. Like is related to Port. Port is related to Left. 
Note is related to Character. Character is related to Voice. Voice can be used for Sing. the last thing you do when you Sing is Bow. 
Operation <--RelatedTo--> Like <--RelatedTo--> Port <--RelatedTo--> Left 
Note <--RelatedTo--> Character <--RelatedTo--> Voice --UsedFor--> Sing --HasLastSubevent--> Bow 