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:G
['', 'd>^c d>e (3dBG (3DGB', '(3GFE D>d d>^c d2 (3=cBA G>g g>f', '^d>e f2']  
X:1
L:1/8
M:4/4
K:G
 B2 c2 ^c2 |: d>^c d>e (3dBG (3DGB | d>^c =c>A E2 A>B | c>B c>d (3cAF (3DFA | d>c A>_B =B2 (3Bc^c | 
 d>^c d>e (3dBG (3DGB | c>d e>f g2 f>e | (3ded e>d c>A F>G |1 (3ABA G>F G2 (3Bc^c :|2 
 (3ABA G>F G2 F2 |: E>D E>F G>F G>A | (3Bee e>d e2 (3GFE | D>d d>^c d2 (3=cBA | G>g g>f g4 | 
 E>D E>F G>F G>A | (3Bee e>d e7/2 f/ | (3gfe (3fed e>B c>A | (3GAG (3FGF E2 D2 :| B2 B7/2 B/ c>^c | 
 d2 d7/2 B/ A>G | F2 G2 d2 ^c2 | c6 E2 | c2 c7/2 c/ B>c | e2 e7/2 e/ ^d>e | f2 e2 A2 _B2 | B6 D2 | 
 B2 B7/2 B/ c>^c | d2 d7/2 B/ A>G | e2 ^d>e f2 B2 | g6 f>e | d2 d7/2 d/ ^c>d | e2 E4 F2 | 
 B2 A>B c2 F2 | G6 |]  