Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:4/4
K:C
['FED G2', 'BGB AFA G2', 'gfe efe e2', 'eBB e2 f g2', 'eBe dBA G2 A', 'B,EE eBG E2']  
X:1
L:1/8
M:4/4
K:C
[M:9/8][K:Emin] .abcEFE FED G2 F | EFE cBA BGE | EFE FED G2 (G/A/) | BAG FAG FED :: BGB AFA G2 D | 
 GAB dfedBA | BGB AFA G2 A | BAG FAG FED :: gfe efe e2 (e/f/) | gfg efg afd | gfe efe e2 (g/a/) | 
 bag fag fed :: eBB e2 f g2 f | eBB efg afd | eBB e2 f g2 (g/a/) | bag fag fed :: eBe dBA G2 A | 
 Bee dBA BGE | eBe dBA G2 A | BAG FAG FED :: B,EE eBG E2 E | B,EE EFG AFD | B,EE eBG E2 (G/A/) | 
 BAGFAG FED :|  