Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:4/4
K:C
['BEA |[M:2/2][K:A]SOSOO .!fermata!PMTuCOMed cAce cAAe cAce f2', 'ecAc Bcde f2 (3(efg) abaf ecAc aecf']  
X:1
L:1/8
M:4/4
K:C
 BEA |[M:2/2][K:A]SOSOO .!fermata!PMTuCOMed | cAce cAAe | cAce f2 (ea) |1 AceA cAec | Bcde f2 :|2 
 afge fdec | Bfed cA A2 || a2 af ecAc | aecf e2 (3(efg) | a2 af ecAc | Bcde f2 (3(efg) | 
 abaf ecAc | aecf e2 (3(efg) | afge fdec | Bfed cA A2 |]  