Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:4/4
K:G
['dedB cBAB G2 BG DGBG AGAB', 'dggf gdBd eaab']  
X:1
L:1/8
M:4/4
K:G
|: dedB cBAB | G2 BG DGBG | AGAB cBAG | EAAG ABce | dedB cBAB | G2 BG DGBG | AGAB cdef | 
 gdcA BG G2 :: dggf gdBd | eaab ageg | fdad bdad | g3 e dcBc | dggf gdBd | eaab agef | g3 e dcBc | 
 dBcA BG G2 :|  