Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/4
M:4/4
K:Gdor
['G G']  
X:1
L:1/4
M:4/4
K:Gdor
 G2 B2 | D2 F2 | G G B c | A2 G2 | F D F _E | D C B, D | _E G G ^F | G2 :|  