Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
Q:1/2=90
M:2/2
K:A
['(c/B/A) eAcA', 'eA (c/B/A) aAfA']  
X:1
L:1/8
Q:1/2=90
M:2/2
K:A
 A2 (c/B/A) eAcA | eAaA gAfA | eA (c/B/A) eAcA | BEcE dEcE | A2 (c/B/A) eAcA | eAaA gAfA | 
 efed caec | BABc A2 !fermata!A2 || G2 (G/F/E) BEGE | BEdE cEBE | A2 (c/B/A) eAcA | eAfA eAcA | 
 eA (c/B/A) aAfA | eA (c/B/A) aAfA | ecfe dcBA | GABA GEF"^DC"G |]  