Answer:
D
Explanation:
A scale is any set of musical notes in order of a certain frequency. Their is both ascending and descending scales. 
 
        
                    
             
        
        
        
The answer is the last one! Like any other art everything is subjective so anything can be a good subject
        
                    
             
        
        
        
Answer:
Hard Bop
Explanation:
Hard Bop was birthed as an opposition to cool jazz of 1950s and was played mostly by urban musicians (from Philadelphia and Detroit) reflecting an East Coast, extroverted response to urban life. 
While cool jazz preferred a light timbre, hard bop preferred a sound that was heavy, dark and impassioned. The saxophone of choice was tenor which replaced the alto and drummers played in a more assertive style.
 
        
             
        
        
        
<span>The correct answer is D. Cumbia. Cumbia originated as part of the Afro-Caribbean culture in Colombia, and indeed is characterized by flutes and maracas, as well as several types of drums. Flamenco is characterized by the guitar, violin, and tambourine, and comes from southern Spain; tango is traditionally characterized by a solo guitar, and comes from Argentina and Uruguay; and merengue is characterized by an accordion and a tambora, and comes from the Dominican Republic. </span>