Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:4/4
K:G
['c BGGA FGAc BGGA gdcB caBg AGFD', 'G d gdgb fgaf gabg afdf gdbd']  
X:1
L:1/8
M:4/4
K:G
 c | BGGA FGAc | BGGA gdcB | caBg AGFD | EcAF G2 G :| d | gdgb fgaf | gabg afdf | gdbd fdad | 
 fgaf g2 g2 | dfad cegc | BdgB DAcA | BdgB cAec | EcAF G2 G ||  