Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:6/8
K:A
['A FEF A2 A', 'c2 A', 'FEF AGA']  
X:1
L:1/8
M:6/8
K:A
 A | FEF A2 A | FEF A2 A | B2 c d2 e | c2 A A2 :| d | d2 B B2 A | c2 A A2 B/A/ | F2 E F2 A | 
 B2 c !fermata!d2 d/e/ | f2 f e2 e | d2 d{c} B2 E | F2 f e2 d | c2 A A2 z || FEF AGA | FEF AGA | 
 B2 c d2 B | c2 A A2 z :|  