Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
M:2/4
K:C
['G2 c>cc>c d>cBA GG F>G E3 D']  
X:1
L:1/8
M:2/4
K:C
 G2 | c>cc>c | d>cBA | GG F>G | E3 D | CDEF | GABc | dc A>B | G3 A | A>A AB | c<G GG | FGEF | 
 D2 G2 | c>ccc | c>ccA | G<c e>d | c3 G | G>F E>F | AGGG | .A.B.c.d | B2 G>G | cccc | cBc>d | 
 e2 e>e | f>edd | eccA | G2 e>d | c2 G2 | G>G F>F | E2 B2 | c2 c>c | c2 ||  