Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:4/4
K:E
['BE (3EEE', 'fc (3ccc c2']  
X:1
L:1/8
M:4/4
K:E
 e | BEEc B2 Bc | BE (3EEE cBGe | BE (3EEE B2 GB | cBce fefg | BEEc B2 Bc | BE (3EEE cBce | 
 fgfe c2 fg |1 eccB ceec :|2 eccB ceef |: gB (3BBB g2 fe | fc (3ccc c2 Bc | fc (3ccc c2 Bc | 
 eB (3BBB Bcef | gB (3BBB g2 fe | fc (3ccc c2 ce |1 fgfe c2 fg | eccB ceef :|2 fgfe c2 gf | 
 eccB ceec |]  