Formulate diverse chord combinations to augment the harmonic richness of the given musical work.
|: A3 B | c3 A | cc BA | B2 E2 | B3 c | d3 B | dd cB | A4 || e2 a2 | 
 g2 ag | ff ed | e2 A2 | z f2 d | e3 c | BE cB | A4 :|  
X:1
L:1/8
M:2/4
K:Amin
|:"Am" A3 B | c3 A | cc BA |"E7" B2 E2 | B3 c | d3 B | dd cB |"Am" A4 ||"Am" e2"F" a2 | 
"C" g2"A7" ag |"Dm" ff ed |"Am" e2 A2 |"Dm" z f2 d |"Am" e3 c |"E7" BE cB |"Am" A4 :|  