Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/4
M:4/4
K:G
['B A']  
X:1
L:1/4
M:4/4
K:G
 G | B c d c | B A B B | B A c/B/ A | G F G G | B c d c | B A B B | B A c/B/ A | G F G G | 
 A B c B | A ^G A A | B c d c | B A B B | B A c/B/ A | G F G |]  