Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:2/4
K:D
['B2 BA', 'fe ed/e/']  
X:1
L:1/8
M:2/4
K:D
 B2 BA | FB AF | B2 BA | Be ed | B2 BA | FB AF | B/c/d/B/ AF | FE E2 :| fe ed/e/ | fd de | 
 fe ed/e/ | fb ba | fg/f/ ef | df ed | B/c/d/B/ AF | FE E2 :|  