Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/16
M:2/4
K:G
['G>FG>A G2A>B c>AF>A G2A>B c>Bc>e', 'G2 (A>B) c>Bc>d e2d>c B>AB>c d2B>G G>FG>A']  
X:1
L:1/16
M:2/4
K:G
 (3(DEF) | G>FG>A G2A>B | c>AF>A G2A>B | c>Bc>e d>BG>B | A>GF>E D>EF>D | G>FG>A G2A>B | 
 c>AF>A G2A>B | c>Bc>e d>BA>B | G2G>G G2 :: (A>B) | c>Bc>d e2d>c | B>AB>c d2B>G | G>FG>A B2A>G | 
 A2d>e d>cA>F | G>FG>A G2A>B | c>AF>A G2A>B | c>Bc>e d>BA>B | G2G>G G2 :|  