Develop a musical composition incorporating the given motif and maintaining the required musical form.
X:1
L:1/8
Q:1/4=140
M:2/2
K:G
['BA G4 D4', 'g4 d2'  
X:1
L:1/8
Q:1/4=140
M:2/2
K:G
 BA | G4 D4 | =F2 A4 BA | G4 D4 | G2 g4 de | =f2 ef gfed | cBAG =F2 e^f | g2 fe dcBA | G2 B4 :: 
 ba | g4 d2 e2 | =fefg fgab | g4 d2 ef | gfed g2 de | =f2 ef gfed | cBAG =F2 e^f | g2 fe dcBA | 
 G2 B4 :|  