Build a musical work using the provided motif and following the indicated form.
X:1
L:1/8
M:4/4
K:D
['f2 df', 'faab afef dBAB d4'  
X:1
L:1/8
M:4/4
K:D
|: f2 df efdB | BAGB A2 de | f2 df e2 de | fbba b2 ag | f2 df efdB | BAGB A2 de | fedf edBA | 
 B2 BA Bcde :: faab afef | dBAB d4 | fbba b2 ag | fedf e2 de | faab afef | dBAB d4 | fedf edBA | 
 B2 BA Bcde :|  