Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
Q:1/4=88
M:2/4
K:E
['G F']  
X:1
L:1/8
Q:1/4=88
M:2/4
K:E
[M:3/4] G G F z | G F E2 E3/2 F/ |[M:2/4] E2 E7/2 F/ | E4- | E4 | G F E2 |[M:3/4] G C B,2 | 
 B,2 B,3/2 B,/ B, A, |[M:2/4] B, B, A, A, A, F, | E,2 A, A, | F,2 F, F, | E,2 E,3/2 F,/ | E,3 F, | 
[M:3/4] E,4- |[M:2/4] E,2 E,2 E,3/2 F,/ | E,4 :|  