Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:2/4
K:D
['(D/>E/) FF EF BA FE/D/ AA Bc', 'dc BA']  
X:1
L:1/8
M:2/4
K:D
 (D/>E/) | FF EF | BA FE/D/ | AA Bc | d2 z c | BA FA | Bd/F/ ED/B,/ | DD EF | D2 D || | A | dc BA | 
 BA FF/G/ | AA dF | E3 F/A/ | dc BA | BA/F/ ED/E/ | FE/D/ EF | D2 D ||  