Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
Q:1/4=120
M:3/2
K:A
['ffed cdeg [Aa]3 a ||S c e2', 'ceee ffed']  
X:1
L:1/8
Q:1/4=120
M:3/2
K:A
"^Fast" ffed cdeg [Aa]3 a ||S c e2 e ffed c2 ee |[M:2/2] ddBd ccAA | ceee ffed | cABG A3 A | 
 ceee ffed |[M:3/2] c2 ee ddBd ccAA |[M:2/2] ceee ffed | cefg a3 a | ceee ffed | cefg a3 a | 
 gefg a3 a ||[M:5/4] ceec dB[cA][AA] [AA][AA] |[M:3/4] [AB][Ac]dB/c/ BA | 
[M:3/2] ceec dB[Ac][AA] [EA][EA]FG |[M:2/4] A3 E |:[M:5/4] ceec dB[cA][AA] [AA][AA] | 
[M:3/4] [AB][Ac]dB/c/ BA |[M:3/2] ceec dB[Ac][AA] [EA][EA]FG |[M:2/4] A3 ES :|  