Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
Q:1/4=120
M:7/8
K:Gmin
['[DB]3 [DB]2 [DB]2 [Fc][DB][Fc] [DB]4 [DF][DB][Fc] [Fd]3', '[DB]3 [DG]3 [DG]2 [DA]2 [DB]3 [DA] [DG]3-', 'B2 F Bcde', 'B2 A']  
X:1
L:1/8
Q:1/4=120
M:7/8
K:Gmin
|: [DB]3 [DB]2 [DB]2 | [Fc][DB][Fc] [DB]4 | [DF][DB][Fc] [Fd]3 c | [DB][Fc][DB] [Fc] [DB]3 :: 
 [DG]3 [DG]2 [DA]2 | [DB]3 [DA] [DG]3- | [DG]2 [DB]2- [DB]2 [DA] | [DG]3 [DA] [DG]3 :: 
[Q:1/4=180] f2 e de c2 | B2 F Bcde | d2 c d2 c2 |1 B2 F Bcde :|2 B3 B4 |:[Q:1/4=210] d2 c BcBA | 
 B2 A GABc | B2 A B2 A2 |1 G2 F GABc :|2 G3 G4 |: d2 c BcBA | B2 A GABc | B2 A B2 A2 |1 
 G2 F GABc :|  