Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
M:4/4
K:A
['EAAc BAaf', 'eace dBcA']  
X:1
L:1/8
M:4/4
K:A
|: AF | EAAc BAaf | ecBd cAFA | EAAc BAaf | ecBc A2 :| (3(efg) | agaf eace | dBcA BAfg | 
 agaf eac'a | babc' a2 ab | c'afa eace | dBcA BAFA | EFAB cAaf | ecBc A2 ||  