Develop a musical composition based on the outlined framework and thematic material.
X:1
L:1/8
M:2/2
K:G
['BA GFGA BABG cdBc A2 dc BdGB', 'G2 AG FGEF D2 cB ABGA F2'  
X:1
L:1/8
M:2/2
K:G
 BA | GFGA BABG | cdBc A2 dc | BdGB AcFc | GBdg G2 |] AG | FGEF D2 cB | ABGA F2 ed | cBed cBed | 
 cBcA G"^D.C."F |]  