Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
Q:3/8=60
M:6/8
K:G
['dBG A2 A']  
X:1
L:1/8
Q:3/8=60
M:6/8
K:G
 d/c/ | Bcd gec | BBc d2 d | c>Bc BGd | c>Bc B2 B | c>dc cAF | d>ed dBG | ecd efg | dBG d2 d | 
 gdB gec | dBG c2 c | Bdg dBG | A2 A B2 d | gfg dBG | A2 A B2 |]  