Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
M:4/4
K:Gmin
['B3 d/c/ B3 F G2 B2 F3', 'B3 F G2 B2']  
X:1
L:1/8
M:4/4
K:Gmin
 F | B3 d/c/ B3 F | G2 B2 F3 D | E3 G F2 D2 | C4 C2 F2 | B3 d/c/ B3 F | G2 B2 F3 D | E2 C2 F2 D2 | 
 B,4 B,3 :| d/e/ | f3 d B3 F | G2 B2 e2 g2 | f3 B F2 D2 | C4 C3 d/e/ | f3 d B3 F | 
 G2 B2 [G,E]2 [Bg]2 | [Af]2 F2 [Fd]2 [Ec]2 | [DB]4 [DB]3 d/e/ | f3 d B3 F | G2 B2 e2 g2 | 
 f3 B F2 D2 | C4 C2 F2 | B3 d/c/ B3 F | G2 B2 F3 D | E2 C2 F2 D2 | B,4 B,3 ||  