Formulate diverse chord combinations to augment the harmonic richness of the given musical work.
|: efed cdcB A2c2 | BcBA ^GAGF E2FG |{B} A2^GA{c} B2AB{d} c2Bc | 
{e} d2cd e4 [^GBe]4 :: g4 gagf e2e2 | f2f2 f2ed e2e2 | g4 gagf e2e2 | 
 f2f2 f2ed e2ed | cBcd e2c2 B2A2 | cBA^G G4 A2B2 |{d} cBcd e2c2 B2A2 | 
 cBA^G G4 A4 :|  
X:1
L:1/16
Q:1/4=120
M:3/4
K:Amin
|:"Am" efed cdcB A2c2 |"E7" BcBA ^GAGF E2FG |"Am"{B} A2^GA"E7"{c} B2AB"Am"{d} c2Bc | 
"Dm"{e} d2cd"E7" e4 [^GBe]4 ::"C" g4 gagf e2e2 |"G7" f2f2 f2ed"C" e2e2 | g4 gagf e2e2 | 
"G7" f2f2 f2ed"E7" e2ed |"Am" cBcd e2c2 B2A2 |"E7" cBA^G G4"Am" A2B2 |{d} cBcd e2c2 B2A2 | 
"E7" cBA^G G4"Am" A4 :|  