Develop a musical composition based on the outlined framework and thematic material.
X:1
L:1/8
M:2/4
K:G
['GG AG', 'B2 B2 (A/B/c/B) AG'  
X:1
L:1/8
M:2/4
K:G
 GG AG | GD D2 | GG AG | D2 D2 :| B2 B2 | (A/B/c/B) AG | B2 B2 | (A/B/c/B) AG | cB G/G/A | 
 G/F/G G2 | G4 :|  