Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
M:3/4
K:Dmin
['GG/^F/ G2 A2 (3BAG cB AG AA/B/', 'D2 [K:Gmin] gg f2 d2 c2 B2']  
X:1
L:1/8
M:3/4
K:Dmin
 GG/^F/ G2 A2 | (3BAG cB AG | AA/B/ A4 | dd/^c/ d2 e2 | (3fed gf ed | ed/^c/ d2 D2 :| 
[K:Gmin] gg f2 d2 | c2 B2 AG | AA/B/ A4 | GG/^F/ G2 A2 | (3BAG cB AG | AG/^F/ G2 G,2 :|  