Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/4
M:3/4
K:G
['D B2 G d B G c', 'D D c A D B G', 'G2 d/c/ B d d e3/2 d/']  
X:1
L:1/4
M:3/4
K:G
 D | B2 G | d B G | c A F | G B D | B2 G | d B G | c A F | G2 :: D | D c A | D B G | D A F | 
 G B D | D c A | D B G | D A F | G2 :: d/c/ | B d d | e3/2 d/ c/B/ | A c c | d3/2 c/ B/A/ | G B B | 
 c3/2 B/ A/G/ | F F/G/ A/F/ | G2 :|  