Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
Q:1/4=120
M:2/4
K:Dmin
['c=Bcd cBAG G3 D F/E/D/C/ D2', 'FG ABAG G4- G4 c3 =B A3']  
X:1
L:1/8
Q:1/4=120
M:2/4
K:Dmin
 c=Bcd | cBAG | G3 D | F/E/D/C/ D2 | TG3 F | FEDE | F4 | CFGA | c=Bcd | cBAG | G3 D | F/E/D/C/ D2 | 
 G3 E | FEFG | D4- | D4 |:[I:MIDI= program 72]"^prog: 73" G2 FG | ABAG | G4- | G4 | c3 =B | A3 G | 
 G3 A | F2 F2 | D E3- | E4 | G4 | AGFE | D4 | A2 A2 | G F2 E | FGED | D4- | D4 :|  