Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
Q:1/8=128
M:4/4
K:Bb
['B,F DF BF Bd f<d']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:Bb
|: D | B,F DF BF Bd | f<d c>B G2 GB | B,F DF BF Bd | f<d B>d f2 ed | eg ce df Bd | 
 c>d e/d/c/B/ G2 GB | B,F DF BF Bd | f<d B>d B2 BD/E/ | FB DB FB DB | G>B G/F/E/D/ C2 CD/E/ | 
 FB DB FB Dg | f<d B>d f2 ed | eg ce df Bd | c>d e/d/c/B/ G2 GB | B,F DF BF Bd | f<d c>d B2 B :|  