Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:2/4
K:G
['G<G G>G Bd d2', 'a>g fd']  
X:1
L:1/8
M:2/4
K:G
 G<G G>G | Bd d2 | cA c/B/A/G/ | A>G FD | G<G G>G | Bd d2 | eg f/g/a/f/ | g4 :: bg a>g | fd d2 | 
 ee g>e | dc BG | gg b>g | a>g fd | eg f/g/a/f/ | g2 ga/b/ | c>a b>g | a>g eg | dB gB | 
 c/B/A/G/ AB | G<G G>G | Bd d2 | eg f/g/a/f/ | g4 :|  