Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
M:6/8
K:Dmix
['cAG A2 G', 'GED EDE']  
X:1
L:1/8
M:6/8
K:Dmix
|: cAG A2 G | ABG A2 d | cAG A2 G | ABA GED :: EDE c2 E | c2 E GED | EDE cde | dcA GED :|  