Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/4
M:4/4
K:G
['B d']  
X:1
L:1/4
M:4/4
K:G
 D | G G B B | d d B d | e/d/c/B/ c c | d/c/B/A/ B G/A/ | B B d c | B A G B | A/G/B/A/ G B | 
 d D G G/A/ | B B d c | B A G |]  