Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/4
Q:1/4=120
M:4/4
K:G
['B A']  
X:1
L:1/4
Q:1/4=120
M:4/4
K:G
 G3/2 A/ B A | G B d2 | B B ^c d | e A d2 | e A d G | A B c2 | B c (d/ c/) B | A A G2 |]  