Design a musical creation that involves the supplied motif and respects the established alphabetical structure.
X:1
L:1/8
M:4/4
K:Bmin
['BA B2', 'fe dg z f z e-']  
X:1
L:1/8
M:4/4
K:Bmin
|: .F2 BA B2 AB- | BA BA c2 B2 | .F2 BA B2 Ae- | ed BA B2 c2 | .F2 BA B2 AB- | BA BA c2 B2 | 
 fe dg- g2 ed- | dB AG B2 c2 :: fe dg z f z e- | ed BA B2 c2 | fe dg z f z e- | e2 fg b2 z2 | 
 fe dg z f z e- | ed BA B2 G2 | EF GA B e3- | ed c2 B2 z2 :|  