Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:6/8
K:G
['FED c2 A ded', 'd f3 gfg afd']  
X:1
L:1/8
M:6/8
K:G
 AG | FED c2 A | ded cAG | A3 ABG | A2 A A2 G | FED c2 A | ded cAF | G3 GcA | GcA G2 G | FED c2 A | 
 ded cAG | A3 ABG | A2 A A2 G | FED c2 A | ded cAF | G3 GcA | GcA G2 d || f3 gfg | afd cAG | 
 A2 A ABG | ABG A2 d | f3 gfg | afd cAF | G3 GcA | GcA G2 d | f3 gfg | afd cAG | A2 A ABG | 
 ABG A2 d | f3 gfg | afd cAF | G3 GcA | GcA G3 ||  