Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:4/4
K:Gmix
['dGG/G/G d2']  
X:1
L:1/8
M:4/4
K:Gmix
 DGGF DE F2 | DG G2 eGdG | DGGF D3 E | F2 CF AB c2 | [DA]G G2 DE F2 | DG G2 eGdG | DGGF D3 E | 
 F2 CF ABcA | dGG/G/G dGeG | dGG/G/G d2 cA | dGG/G/G d2 ed | (3cdc AF CFAc | dGG/G/G eGG/G/G | 
 dGG/G/G d2 cA | dcde fefd | (3cdc AF CFAF |]  