Answer:
Managers are in charge of running all aspects of the business side of the artist's or band's career.
 
        
             
        
        
        
Answer:
below
Explanation:
key signatures are important because they tell how how to play the music. For instance, in the key of C, it has no sharps or flats so you play all white keys. In the key of D, you have two sharps which are C and E. instead of playing the white notes for them you'd play the black.
 
        
             
        
        
        
The concept behind The Rite of Spring, developed by Roerich from Stravinsky's outline idea, is suggested by its subtitle, "Pictures of Pagan Russia in Two Parts"; the scenario depicts various primitive rituals celebrating the advent of spring, after which a young girl is chosen as a sacrificial victim and dances
 
        
                    
             
        
        
        
I tried to make a visual explanation to this. Thanks to Musescore and Windows Paint, the result is highly appealing from a visual point of view.