Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/4
M:3/4
K:G
['G A', 'd B']  
X:1
L:1/4
M:3/4
K:G
|: D | G2 G | A G A | B d B | A G A | B3/2 A/ G | E2 F | G3- |1 G5/2 :|2 G B c || d2 e | d B G | 
 d2 e | d B G | G B d | e d B | A3- | A2 | D | G2 G | A G A | B d B | A G A | B3/2 A/ G | E2 F | 
 G3- | G5/2 ||  