Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/4
M:4/4
K:C
['G c3/2 B/ c d']  
X:1
L:1/4
M:4/4
K:C
 G | c3/2 B/ c d | c G2 G/E/ | F3/2 F/ G G | c3 G | c3/2 B/ c d | e c G3/2 G/ | F F G A | G3 G | 
 c3/2 B/ c d | e (c G) E | F3/2 F/ G A | G3 G | c3/2 B/ c d | c G E G | F3/2 A/ G B | c3 ||  