Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
Q:3/8=120
M:6/8
K:Bb
['b f2 d B2 d c2 A', 'F/E/ DFB DFB EGB EGB', 'e2 d', 'Bdf fdB'  
X:1
L:1/8
Q:3/8=120
M:6/8
K:Bb
 b | f2 d B2 d | c2 A F2 F | G2 A BAG | FGE D2 b | f2 d B2 d | c2 A F2 F | GAB (c/d/)e.c | 
 ([Ec]3 [DB]2) :: F/E/ | DFB DFB | EGB EGB | DFB BAG | FGE D2 F/E/ | DFB DFB | EGB EGB | Fed cBA | 
 c3 B2 :: z | B6 | c2 d e2 d | g2 f e2 d | cdB AGF | c3- c2 B | A2 c f2 a | (g/a/b).a gf=e | 
 f3- f2 :: z | Bdf fdB | Bdg gab | Bdf fdB | cAF F2 B | Bdf fdB | Bdg gab | fge dec | (c3 B2) :|  