Develop a musical piece using the given theme and incorporating the letter-based structure provided.
X:1
L:1/8
M:2/2
K:C
['[cEG,]2 ec BdGB', 'G2 Gceg{a} f2 ed GBdf{f} e2 dc', 'E2{G} (F3/2E/4F/4) G3', 'C3 e fadf egce defd cBAG f4', 'FAcf cAGF EGcB A2 GF a2 fc', 'cA A2']  
X:1
L:1/8
M:2/2
K:C
|: [cEG,]2 ec BdGB | [cEG,]2 ec BdGB | c2 cG cege | dcBA G2 G2 :: Gceg{a} f2 ed | GBdf{f} e2 dc | 
 Gceg Acfa | gfed c2 c2 :: E2{G} (F3/2E/4F/4) G3 c | GFED{F} E2 DC | E2{G} (F3/2E/4F/4) G3 A | 
 GFED C3 :: e | fadf egce | defd cBAG | f4 e2 c2 | edcB c4 ::[M:2/4][K:F] FAcf | cAGF | EGcB | 
{B} A2 GF | a2 fc | d2 ef | cAAF | G2 G2 :: d2 ef | cA A2 | G2 AB | AF F2 | d2 d/d/e | cA A2 | 
 cBAG | F2 F2 :|  