Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:4/4
K:A
['E2 A>cB>A F>EC>E A>cB>A F2 A>B c>EE>c', 'A2 (3AGF E2 A>B c2- c>B A>BA>F']  
X:1
L:1/8
M:4/4
K:A
|: E2 | A>cB>A F>EC>E | A>cB>A F2 A>B | c>EE>c B>A (3FGA | B2 B>^A B2 E2 | A>cB>A F>EC>E | 
 A>cB>A F2 A>B | c>EE>c B>AF>E | A2 A>G A2 :: (3AGF | E2 A>B c2- c>B | A>BA>F E2- E>C | 
 D>CD>E F>GA>F | B2 B>^A B2 E2 | A>cB>A F>EC>E | A>cB>A F2 A>B | c>EE>c B>AF>E | A2 A>G A2 :|  