Write musical works that keep the predetermined structure and weave in the given motif
X:1
L:1/8
M:4/4
K:Bmin
['fB B2 fgfe dB B2 GBdB', 'f2 dB GBdB caec'  
X:1
L:1/8
M:4/4
K:Bmin
 fB B2 fgfe | dB B2 GBdB | cAAd AAec | AfdB ecAe | fB B2 fgfe | dB B2 GBdB | cABc ABce | 
 afec B2 de :: f2 dB GBdB | caec dB B2 | f2 dB GBdB | caec Bcde | fd d2 fgfe | dB B2 GBdB | 
 cAdA eAce | afec B2 de :|  