Construct a piece of music by incorporating the given motif and adhering to the determined musical form.
X:1
L:1/8
M:4/4
K:A
['Bc BA', 'cd ec ea fd fa ge gb'  
X:1
L:1/8
M:4/4
K:A
 EF AB c2 AB | cA Bc BA FE | F2 d2 d2 AB | =cA Bc BA FD | E2 c2 c2 AB | cA Bc BA FE | dc de fg af | 
 ec AB A2 :: cd | ec ea fd fa | ge gb a2 (3efg | ag ae =gf ec | ef ec B2 cd | ec ea fd fa | 
 ge gb a2 (3efg | ag ae =gf ec | ec Bc A2 :|  