Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
Q:1/8=280
M:2/4
K:D
['fg/e/ fe', 'ed d/e/f/g/']  
X:1
L:1/8
Q:1/8=280
M:2/4
K:D
 Ad f2 | gf/g/ fg/e/ | fe f/e/c | ed dc/d/ | Ad fd/f/ | ge/g/ fg/e/ | fe ac |1 ed df/d/ :|2 
 ed d/e/f/g/ || aA AG/A/ | BA B/A/F/A/ | fe ec | ed d/e/f/g/ | aA B/G/F/A/ | BA A/G/A/d/ | fe aA |1 
 ed d/e/f/g/ :|2 ed d2 ||  