Create a musical composition using the given motif and adhering to the specified musical form represented by alphabet characters.
X:1
L:1/8
M:4/4
K:G
['c2 ec B2 dB AGAB AGEF G3', 'z GABc d2 ef gage dBGB cEGE']  
X:1
L:1/8
M:4/4
K:G
 c2 ec B2 dB | AGAB AGEF | G3 E DEGB | AGAB AGAB | c2 ec B2 dB | AGAB AGEF | G3 E DEGA | 
 BGAF G3 z :| GABc d2 ef | gage dBGB | cEGE DEGB | AGAB Aded | g3 d efge | dgBG AGED | G3 E DEGA | 
 BGAF G3 z :|  