Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:3/4
K:C
['z4 z B, |]: B,4 B,/ z/', 'E, A,4 A,/ z/ A,/^F,/ ||[M:2/4] B,B,', 'B, A,,2']  
X:1
L:1/8
M:3/4
K:C
 z4 z B, |]: B,4 B,/ z/ A,/A,/ ||[M:2/4] B,B, A,A, ||[M:3/4] A,E,- E,2 E,/ z/ E, | 
 A,4 A,/ z/ A,/^F,/ ||[M:2/4] B,B, A,A, ||[M:3/4] A,E, E,2- E,/ z/ E,/A,,/ ||[M:2/4] A,,2 z B, :| 
 A,,2 z2 |]  