Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:4/4
K:G
['B/c/d d>e', 'g>a g/a/b']  
X:1
L:1/8
M:4/4
K:G
 c | B/c/d d>e d>ed>c | B/c/d g>a b>de>c | B/c/d d>e d>ed>B | A>GAB g>f e :: d/e/f | 
 g>a g/a/b d>edB | g>ab>a g>d e2 | g>a g/a/b d>ed>B | A>GA>B g>fe>f | g>a g/a/b d>edB | 
 g>ab>a g>d e2 | g>ab>a g>ed>B | G>A B<b g>f e2 ||  