Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:4/4
K:G
['G>D B,>D G/F/E/D/ B,>D G2 BG A2', '', 'g/f/g/a/ g2']  
X:1
L:1/8
M:4/4
K:G
|: G>D B,>D G/F/E/D/ B,>D | G2 BG A2 (3ABA | G>DB,D G/F/E/F/ Gg | dB c/B/A/G/ DG G2 :| d |: 
 g/f/g/a/ g2 g/f/g/a/ g2 | e/f/g/a/ b/a/g/f/ ea ag/f/ | g<b e<g d<g B<G |1 cA c/B/A/G/ DG G2 :|2 
 cd c/B/A/G/ DG G2 ||  