Assemble a variety of chord formations to deepen the harmonic essence of the given musical passage.
A d f/g/f/e/ | d F A3/2 d/ | c E G3/2 B/ | A D F2 | A d f/g/f/e/ | d F A3/2 d/ | 
 c A B c | d2 d2 ::[K:A] [ce]2 [ce]2 | e a [ce]2 | b f g e | a c e2 | 
 [ce]2 [ce]2 | e a [ce]2 | b f g e | a2 a2 :|  
X:1
L:1/4
M:2/2
K:D
"D" A d f/g/f/e/ | d F A3/2 d/ |"A7" c E G3/2 B/ |"D" A D F2 |"D" A d f/g/f/e/ | d F A3/2 d/ | 
"A7" c A B c |"D" d2 d2 ::[K:A]"A" [ce]2 [ce]2 | e a [ce]2 |"Bm" b f"E7" g e |"A" a c e2 | 
"A" [ce]2 [ce]2 | e a [ce]2 |"Bm" b f"E7" g e |"A" a2 a2 :|  