Construct a composition that integrates the specified motif within the established musical form.
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
['Bde dBG B2 B', 'g2 g gab'  
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
"_Allegretto" Bde dBG | B2 B B2 A | GBe dBG | A2 A A2 G | Bde dBG | B2 B g2 a | bag efg | 
 dBB B2 A || g2 g gab | d2 d dBG | g2 g gab | e2 e e2 d | def gfe | dBd g2 a | bag efg | 
 dBB B2 A |]  