Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:4/4
K:D
['D2 d>e f>ed>c', 'D g f>ed>B A>Bd>e f<ad>f e2 e>g', 'd2 F>A D>AF>A', 'D g Tf2 d>f e<Ac>A d>fB>e c2']  
X:1
L:1/8
M:4/4
K:D
 F | D2 d>e f>ed>c | A>FD>F [A,E]2 E>F | D2 d>e f>ed>c | A<FE>F D2 D :: g | f>ed>B A>Bd>e | 
 f<ad>f e2 e>g | f>ed>B A>gf>e | d<BA>F D2 D :: A | d2 F>A D>AF>A | D>AF>A G2 E2 | d2 F>A D>AF>A | 
 G>BE>A TF2 D :: g | Tf2 d>f e<Ac>A | d>fB>e c2 A=c | B2 G>B A>dF>A | G>BE>A TF2 D :|  