Create a musical composition using the given motif and adhering to the specified alphabetical musical form.
X:1
L:1/4
M:3/4
K:C
['', 'a g', 'd2 z']  
X:1
L:1/4
M:3/4
K:C
 G"^A" |:"C" c a g | e z z |"G7" B a g | f3 | B a g | B a g |"C" c a g |1 e2 G :|2 c c/c/ [cc'] |: 
"^B""G7" b d f | b2 a |"C" g c e | a2 g |"G7" f B d | f B d |"C" c e c' |1 g z c' :|2 
 g z z/ G/4G/4 |:"^C""C" G c e | G c e |"G7" e2 f | d2 z | e2 f |1 d2 z |"C" d2 e | 
 c2 z/ G/4G/4 :|2 G z a | g2 B |"C" c3 |]  