Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:3/8
K:C
['CB,A, G,2']  
X:1
L:1/8
M:3/8
K:C
 G, | CCC | C2 C | CB,A, | G,G,G, | G,G,G, | C2 G, | G,F,F, | E,E,E, | CB,A, | G,2 G, | CB,A, | 
 G,2 G, | CB,A, | G,2 G, | CB,A, | G,2 G, | CB,A, | G,G,G,/G,/ | CB,A, | G,2 z | G,2 G, | G,G,G, | 
 G,G,G, | C2 |]  