Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:4/4
K:A
['F2 EF AFAB cffe c2 BA']  
X:1
L:1/8
M:4/4
K:A
 F2 EF AFAB | cffe c2 BA | B3 A B/c/d cB | AcBA BAFE | F2 EF AFAB | cffe c2 BA | a3 b afef | 
 ecBc A2 BA :|  