Develop chord structures to complement and enrich the harmony of the allotted musical excerpt.
eg | abag e2 ed | cAeA cdef | gfge d2 ed | BGdG BAGB | abag e2 ed | cAeA cdef | 
 gfge dBGB | cA A/A/A A2 :: AB | caec A2 AB | cdec dcBA | cdec A2 Ac | 
 BG G/G/G B2 AB | caec A2 AB | cdec dcBA | cdec dBGB | cA A/A/A A2 :|  
X:1
L:1/8
M:4/4
K:Amix
 eg |"A" abag e2 ed | cAeA cdef |"G" gfge d2 ed | BGdG BAGB |"A" abag e2 ed | cAeA cdef | 
"G" gfge dBGB |"A" cA A/A/A A2 :: AB |"A" caec A2 AB | cdec"G" dcBA |"A" cdec A2 Ac | 
"G" BG G/G/G B2 AB |"A" caec A2 AB | cdec"G" dcBA |"A" cdec"G" dBGB |"A" cA A/A/A A2 :|  