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
['B,2 G,B,', 'c2 ec', 'c2 ec', 'c2 ec']  
X:1
L:1/8
M:4/4
K:C
[M:4/4][K:Amin] e[Q:1/8=280]CEA,B, CA,B,C | B,DG,D B,DA,G, | CEA,B, CE C2 ||1 B,2 G,B, A,2 A,B, :|2 
 B,2 G,B, A,DDd || c2 ec acec | c2 ec (3ege (3dBG | c2 ec acec | (3ege (3dcB A2 AB | c2 ec acec | 
 c2 ec (3ege (3dBG | (3aaa ag (3e^fg (3^fga | (3gag (3^fed (3cBA (3GED || 
"^simplified version" ceAB cABc | BdGd BdAG | ceAB ce c2 |1 B2 GB A2 AB :|2 B2 GB Ad d2 || 
 c2 ec acec | c2 ec e2 dG | c2 ec acec | e2 dB A2 AB | c2 ec acec | c2 ec e2 dG | a2 ag eg^fa | 
 g2 ^fd cAGD ||  