Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:3/4
K:A
['c2 B2 FG']  
X:1
L:1/8
M:3/4
K:A
 Ee | e2 cAFd | c4 ce | c2 B2 FG | A2 z2 Af | e2 cAFd | c4 cd | c2 B2 FG | A4 B>B | cBAF^DB | 
 B2 G3 E | B2 A3 F | B4 Af | e2 cAFd | c2 z ccd | c2 B2 FG | A4 B2 | d>ed>ed>e | c>^B c2 dc | 
 B^ABdcB | A>B c2 e2 | d>ed>ed>e | c>^B c2 dc | B^ABdcB | A4 |]  