Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
Q:1/8=128
M:4/4
K:Bb
['c>B d>c B<G G>B']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:Bb
|: E | D>B F>B G>B F>B | c>B d>c B<G G>B | D>F D>B G>B F>b | f>d e>c d<B BE | D>B F>B G>B F>B | 
 c>B d>c B<G G>B | B>f d>f g>f b>g | f>d e>c d<B Bd | B<b f>g d<f B>d | c>B d>c B<G G>B | 
 D>B F>B G>B F>g | f<d e>c d>B Bd | B<b f>g d<f B>d | c>B d>c B<G G>B | B>f d>f g>f b>g | 
 f<d e>c d<B B :|  