Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
Q:1/8=240
M:4/4
K:G
['cgge gcge', 'dBGB ce A/A/A']  
X:1
L:1/8
Q:1/8=240
M:4/4
K:G
 cgge gcge | cgge dBGB | cgge gcge | afge dBGB :| ce A/A/A ABcA | ceAe dBGB | ce A/A/A ABcd | 
 egge dBGB :|  