Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
Q:1/8=160
M:2/4
K:D
['d3 f a3', 'edcB cA A2']  
X:1
L:1/8
Q:1/8=160
M:2/4
K:D
 A | d3 f | a3 b | ageb | afdA | d3 f | a3 a | dfac | d2 z2 || d | edcB | cA A2 | Bcde | fd d2 | 
 edcB | cA A2 | BF^GE | BAA a | (b/a/g/f/) e(e/g/) | ff/c/ dd/^g/ | BA z a | (b/a/g/f/) e(e/g/) | 
 b/a/g/f/ee/g/ | (fg/a/) (gg/b/) | a3 a ||  