Develop a musical composition based on the specified form and using the given motif.
X:1
L:1/8
M:2/4
K:D
['A>B =c/B/A', 'fg a>g fa'  
X:1
L:1/8
M:2/4
K:D
 FG | A2 A>B | =c/B/A FG | AB =c/B/A | G2 FG | A>^G A>B | =c/B/A f2 | ed AF | G2 :: fg | a>g fa | 
 ge fg | a>g fa | g2 fg | a>g fa | ge f2 | ed AF | G2 :|  