Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:4/4
K:G
['D GABG EDCB, EGAB A3 B GABc', 'G3 B cdec BdcB AGcB A2 (3ABc'  
X:1
L:1/8
M:4/4
K:G
 D | GABG EDCB, | EGAB A3 B | GABc dcBA | GABc d3 B | cdec BcdB | AGcB A2 (3Bcd | DEGD EDCB, | 
 DEGA G3 |: B | cdec BdcB | AGcB A2 (3ABc | DEGD EDCB, | DEGA G3 :|  