Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
M:2/4
K:G
['E2 GA/B/GA/G/ E>D']  
X:1
L:1/8
M:2/4
K:G
 EE/D/EE/D/ | e>d d2 | AdBA/G/ | A>B A2 | AB/d/BA/G/ | B/AG/ E2 | GA/B/GA/G/ | E>D E2 | 
 GA/B/GA/G/ | E>D E2 |]  