Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
Q:1/8=110
M:6/8
K:G
['G A2 B c>BA B>AG d2 B', 'A2 F D2']  
X:1
L:1/8
Q:1/8=110
M:6/8
K:G
 G | A2 B c>BA | B>AG d2 B | A2 F D2 G | F>EF G2 || G | A2 F D2 d | B2 G G2 B | A2 F D2 G | 
 F>EF G2 ||  