Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:6/8
K:G
['A Bcd cBA FGA', 'B2 G', 'A Bcd cBA FGA', 'B2 G']  
X:1
L:1/8
M:6/8
K:G
 A | Bcd cBA | FGA Bcd | cBc c2 A | Bcd cBA | FGA B2 G | cAF G3 :: A | B2 G A2 F | FED B2 G | 
 cAF G2 A | B2 G A2 F | FGA Bcd | cAF G2 :|[M:9/8]"^rebarred" A | Bcd cBA FGA | Bcd cBc c2 A | 
 Bcd cBA FGA | B2 G cAF G2 :: A | B2 G A2 F FED | B2 G cAF G2 A | B2 G A2 F FGA | Bcd cAF G2 :|  