Create chord progressions that enrich the harmonic structure of the provided musical piece.
|: (3deg (3eGe | (3eed (3ddc | (3cdG (3dGd | (3ccB (3AAG | (3GAB (3cGc | (3dcB (3BBA | 
 (3dAA (3A-AA | A2 A z :| (3GAB (3cGc | (3dcB (3BBA | (3dAA (3A-AA | A2 A z |: [Ae]2 [Ae][Ae] | 
 [Ae][Ad] [Ad][Ac] | [Ad]2 [Ac][AB] | [AA]2 [AG]2 | [Ac]2 [Ac][Ac] | [Ac][Bc] [AA][AG] | 
 [Ac][AB] [AA][GA] | [AA]2 [AA][AA] | [AA]2 [AG]2 | [Ac]2 [Ac][Ac] | [Ac][Bc] [AA][AG] | 
 [AA]2 [AA][AA] | [AA]2 [AA] z :|  
X:1
L:1/8
Q:1/4=120
M:2/4
K:C
|:"Am" (3deg (3eGe | (3eed (3ddc | (3cdG (3dGd | (3ccB (3AAG | (3GAB (3cGc | (3dcB (3BBA | 
 (3dAA (3A-AA | A2 A z :| (3GAB (3cGc | (3dcB (3BBA | (3dAA (3A-AA | A2 A z |:"Am" [Ae]2 [Ae][Ae] | 
 [Ae][Ad] [Ad][Ac] | [Ad]2 [Ac][AB] | [AA]2 [AG]2 | [Ac]2 [Ac][Ac] | [Ac][Bc] [AA][AG] | 
 [Ac][AB] [AA][GA] | [AA]2 [AA][AA] | [AA]2 [AG]2 | [Ac]2 [Ac][Ac] | [Ac][Bc] [AA][AG] | 
 [AA]2 [AA][AA] | [AA]2 [AA] z :|  