Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/8
M:4/4
K:D
['Ac dAGE DFAc dAcA BFAF GABc dAFA', 'D2 cd eA^GA fAGA gAfA eA^GA gAfA']  
X:1
L:1/8
M:4/4
K:D
|: Ac | dAGE DFAc | dAcA BFAF | GABc dAFA | GEFD EGAc | dAGE D2 Ac | dAcA BF A2 | GABc dA F2 | 
 GEFE D2 :: cd | eA^GA fAGA | gAfA eA^GA | gAfA eAdf | edcB ABcA | dAGE DFAc | dAcA B2 AF | 
 GABc d2 FA | G2 FE D2 :|  