Create a composition using the given motif and incorporating the alphabet-based structure.
X:1
L:1/16
Q:1/4=100
M:2/4
K:Bb
['f2{g}f=e f2{g}f=e', 'z z']  
X:1
L:1/16
Q:1/4=100
M:2/4
K:Bb
 f2{g}f=e f2{g}f=e | f2{g}f=e f2d2 | e2{f}ed ecAc | Bcde fgab | f2{g}f=e f2{g}f=e | f2{g}f=e f2d2 | 
 e2{f}ed ecAc |"^'etc..'" B2d2 B4 ||[K:Eb] G4 A2=A2 | B2e2 g4 |{g} fefg af_ed | 
"^'etc..'" egfe dcBA | z z z z |]  