Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
Q:1/4=100
M:2/2
K:Emin
['B2 B2']  
X:1
L:1/8
Q:1/4=100
M:2/2
K:Emin
 B2 | E2 ee d2 dd | G3 A B2 (dB) | AGFE B3 f | g2 fe d2 cB | g3 G A2 AB | cBcA B2 B2 | 
 G2 GG d2 dd | A3 B c2 (BA) | (GF)(GE) B3 d | e2 ee d2 d2 | G3 A c2 BA | B2 B2 (EF)(GA) | 
 Bece e4- | e2 BB c2 (BA) | B2 B2 F E3 |]  