Design a musical composition incorporating the alphabetic expression of the chosen structure and the provided melodic theme.
X:1
L:1/8
M:4/4
K:A
['d c(ee)c dcTBA ce e/e/e a2 ea', 'A (f/g/) (a/g/f/e/) ac d>c B(f/g/ a)fec']  
X:1
L:1/8
M:4/4
K:A
 d | c(ee)c dcTBA | ce e/e/e a2 ea | Tfefa gbBd | ceaf Te2 A :: (f/g/) | (a/g/f/e/) ac d>c B(f/g/ | 
 a)fec efge | (a/g/f/e/) (f/e/d/c) dc TB2 | ceAa Te2 A :|  