Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
Q:1/2=100
M:4/4
K:Dmin
['G2 FD F2 f2 c2 AG', 'fagf gfga gbag fefg fgaf gfed c2']  
X:1
L:1/8
Q:1/2=100
M:4/4
K:Dmin
 CDEG A2 f2 | cAGF G2 FD | F2 f2 c2 AG | F2 D4 G2 | B2 (3(Bcd) A2 (3(ABc) | dAGF G2 FD | 
 F2 f2 c2 AG |1 F2 D6 :|2 F2 D4 || d2 | fefa fagf | gfga gbag | fefg fgaf | gfed c2 fg | 
 agfa gfeg | fedc f2 fg | agfe dcAG | F2 D4 :|  