Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/16
M:2/4
K:D
['e2 A<Af2 f2e2 d2dB A2<A2 A<Ae2 e2dc', 'f2ef gfeg fedf edcB A4 A<Ae2 e2de']  
X:1
L:1/16
M:2/4
K:D
 e2 | A<Af2 f2e2 | d2dB A2<A2 | A<Ae2 e2dc |1 dcde f4 :|2 dAfe d4 || A<Ae2 e2de | A<Af2 f2ef | 
 gfeg fedf | edcB A4 | A<Ae2 e2de | A<Af2 f2ef | defg agfe | f2d2 d4 ||  