Develop a musical composition incorporating the given motif and maintaining the required musical form.
X:1
L:1/8
Q:1/8=200
M:4/4
K:G
['AG AB', 'AG AB'  
X:1
L:1/8
Q:1/8=200
M:4/4
K:G
|:"^A Part" B,3 D D3 E | DB, DE G3 B | dB AG AG AB | G2 E2 E4 | G2 D(G G)(D D)E | DB,A,G, DE GB | 
 dB AG AG AB |1 G2 G2 G4 :|2 G2 G2 G3 (3G/A/B/ ||"^B Part" c3 d fe dc | B3 c ed cB | AG AB cB AG | 
 A2 E2 E2 AB | c3 d fe dc | B3 c ed cB | dB AG AG AB | G2 G2 G2 AB | c z D z fe dc | 
 B z B, z ed cB | AG AB cB AG | A2 E2 E3 A | B3 d c3 e | d2 ef g2 B2 | dB AG AG AB | G2 G2 G4 ||  