you are likely to find People in/at/on Building. Level can be used for Building. Level is related to Threshold. 
Storm is related to Operation. Operation is related to Job. Job is related to Musician. Musician is related to Person. 
People --AtLocation--> Building <--UsedFor-- Level <--RelatedTo--> Threshold 
Storm <--RelatedTo--> Operation <--RelatedTo--> Job <--RelatedTo--> Musician <--RelatedTo--> Person 