Construct a musical piece using the designated motif and sticking to the alphabetical form presented.
X:1
L:1/8
Q:1/2=80
M:4/4
K:G
['GABc edcB agfe e2 d2', 'G4 defg fafe gbge fafd defg afed']  
X:1
L:1/8
Q:1/2=80
M:4/4
K:G
 GABc edcB | agfe e2 d2 | BdBG cecA | BdBG GFED | GABc edcB | agfe e2 d2 | BdBA cecA | G2 F2 G4 :: 
 defg fafe | gbge fafd | defg afed | BdBG FAFD | BdBG cecA | fafd gbge | dgfe dcBA | G2 F2 G4 |]  