Compose a musical piece that incorporates the given motif and adheres to the specified form.
X:1
L:1/4
M:6/4
K:D
['B3/2 c/ d g3/2 f/ e', 'g3/2 f/ e a3/2 b/ a'  
X:1
L:1/4
M:6/4
K:D
 a | a f a d2 c | B3/2 c/ d g3/2 f/ e | c2 A A2 a | a f b g2 f | B3/2 c/ d g3/2 f/ e | e2 d d2 || 
 d | d B d g3/2 f/ e | a3/2 b/ a ^g e ^g | a2 b a2 g | f d c B c f | g3/2 f/ e a3/2 b/ a | 
 f2 d d2 ||  