Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
M:4/4
K:Gmin
['g gd(dB) (ec)(cA) (dB)(BG) GB/B/ (Bd) (gd)(dB)', '(GB)(Bd) (df)(fg)'  
X:1
L:1/8
M:4/4
K:Gmin
 g | gd(dB) (ec)(cA) | (dB)(BG) GB/B/ (Bd) | (gd)(dB) (ec)(cA) | BA/G/ D=E/F/ G3 :: G | 
 (GB)(Bd) (df)(fg) | gf/e/ fe/d/ ed/c/ BG | (GB)(Bd) (df)(fg) | (f/g/f/e/) dc BB/B/ (dB) | 
 (gd)(dB) (ec)(cA) | (dB)(BG) GB/B/ (dB) | GB(Bd) (d^f)(fg) | dc/B/ DE/^F/ G3 :|  