Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:4/4
K:Amix
['', 'e>A A/A/A', 'a>A A/A/A', 'a>A A/A/A', 'a>A A/A/A']  
X:1
L:1/8
M:4/4
K:Amix
 f<a |: e>A A/A/A e>Ag>d | e>A A/A/A g2 f<a | e>A A/A/A A/A/A c>A |1 B>G d/c/B g2 f<a :|2 
 B>G d/c/B g2 f>g || a>A A/A/A e>Ac>A | a>A A/A/A g2 f>g | a>A A/A/A A/A/A c>A | B>G d/c/B g2 f>g | 
 a>A A/A/A e>Ac>A | a>A A/A/A g2 f>g | (3agf (3gfe (3fbf (3edc | B>G d/c/B g2 f>a |: 
 E>A, A,/A,/A, E>A,G>D | E>A, A,/A,/A, G2 F<A | E>A, A,/A,/A, A,/A,/A, C>A, |1 
 B,>G, D/C/B, G2 F<A :|2 B,>G, D/C/B, G2 f>g || a>A A/A/A e>A A/A/A | a>A A/A/A g2 f>g | 
 a>A A/A/A A/A/A c>A | B>G d/c/B g2 f>g | a>A A/A/A e>A A/A/A | a>A A/A/A g2 f>g | 
 (3agf (3gfe (3fbf (3edc | B>G d/c/B g2 f>a ||  