Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:4/4
K:Gmin
['DGGF DGGF']  
X:1
L:1/8
M:4/4
K:Gmin
|: DGGF DGGF | DFGA B/A/G AF | DGGF DGGF | DCB,C B,A,B,A, | DGGF DGGF | DFGA B/A/G Ac | 
 dcBc BAGF |1 DGGF G2 G2 :|2 DGGF GABc |:[M:9/8] dGG cGG BGG |[M:7/8] AGG GABc | 
[M:9/8] dFF cFF BFF |[M:7/8] AFF GABc |[M:9/8] dEE cEE BEE |[M:7/8] AEE GABc |[M:4/4] dcBc BAGF |1 
 DGGF GABc :|2 DCB,C B,A,B,A, ||  