Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:9/8
K:G
['E3 FEF G3 E3 c2 A BGE', 'BGB AFA G2', 'egg eBB', 'eBB e2 f', 'edB dBA G2']  
X:1
L:1/8
M:9/8
K:G
|: E3 FEF G3 | E3 c2 A BGE | EDE FEF G2 A | BAG FAG FED :: BGB AFA G2 D | GAB dge dBA | 
 BGB AFA G2 A | BAG FAG FED :: egg eBB e2 f | g3 efg afd | egg eBB ega | bag fag fed :: 
 eBB e2 f g3 | eBB efg afd | eBB e2 f g2 a | bag fag fed :: edB dBA G2 D | GAB dge dBd | 
 edB dBA G2 A | BAG FAG FED :|  