Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:4/4
K:C
['DGFG dGBG', '(3efe df']  
X:1
L:1/8
M:4/4
K:C
[M:4/4][K:G] de[Q:1/8=360] DGFG dGBG | dGBG ABcA | DGFG dGBG | cBAG ABcA | DGFG dGBG | dGBG ABcA | 
 DGFG dGBG | cBAG ABcd || (3efe df eAAG | egdB GBdf | edef gage | dBgB GABd | (3efe df eAAf | 
 (3ege dB GBdA | (3Bcd ef gage | dBgB GABd ||  