Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/4
Q:1/4=70
M:3/4
K:G
['(d c A) (G D E) F', 'A G']  
X:1
L:1/4
Q:1/4=70
M:3/4
K:G
"_vb" (B/c/) | (d c A) | (G D E) | F (G2 | G) z G/A/ | B B B | c A G | (F3 | F2) B/c/ | (d c A) | 
 (G D E) | F (G2 | G) z A | (B c d) | A G G | (G3 | G2) || G/A/ | B c d | e c c | f (d2 | 
 d) z d/c/ | B B B | c A G | (F3 | F) z (B/c/) | d c A | G D E | F (G2 | G) z A | (B c d) | A G G | 
 (G3 | G2) |]  