Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/16
Q:1/4=70
M:2/4
K:G
['G>Bd>B d>Bc>A', 'G>AB>c d>Bc>A']  
X:1
L:1/16
Q:1/4=70
M:2/4
K:G
 G>Bd>B d>Bc>A | G>Bd>B d>Bc>A | G>Bd>B e>cA>G | F>GA>F D>dc>A | G>Bd>B d>Bc>A | G>Bd>B d>Bc>A | 
 G>ed>c B>AG>F | G>FG>A G2 z2 :: F>GA>B c>Bc>A | G>AB>c d>cd>c | e>AB>c d>GA>B | c>BA>G F>dc>A | 
 G>AB>c d>Bc>A | G>AB>c d>Bc>A | d>Bg>f e>ca>g | f>ga>b g2 z2 |]  