Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:4/4
K:C
['=c2 c cAc', 'D2 D/4E/4F/4G/4 A2 G ABc dAG FDD']  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:D] a uex!p!eced ea g[Q:1/8=160]"^con brio" (3A/B/c/ | d2 d dcd | =c2 c cAc | B2 B BGB | 
 =cAA A2 (3A/B/^c/ | d2 d de=f | =c2 c cAc | BGB A2 G | FDD D2 || D/4E/4F/4G/4 | A2 G ABc | 
 dAG FDD | DEF GAB | =cAA A2 (3A/B/^c/ | d2 d dBd | =c2 c cAc | BGB ABG | FDD D3 |]  