Develop a musical composition based on the outlined framework and thematic material.
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
['GBe dBG B2', 'g2 g gab'  
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
 D | GBe dBG | B2 B B2 A | GBg dBG | ABA A2 B | GBe dBG | B2 d g2 a | bag (e/f/g).e | dBB B2 :: d | 
 g2 g gab | d2 d d2 B | g2 g gab | e2 e e2 f | gfe gab | dBG g2 a | bag (e/f/g)e | dBB B2 :|  