Develop a musical piece with the given motif, ensuring that it reflects the mentioned musical form.
X:1
L:1/8
Q:1/4=120
M:2/4
K:Bbmin
['', 'cc B=A'  
X:1
L:1/8
Q:1/4=120
M:2/4
K:Bbmin
 cc |: B=A cc | B=A cd | Bc AG | F4- |1 F2 cc :|  