Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
M:6/8
K:D
['B/c/ d3 c3 B2 A G2 B', 'A2 d', 'A2 c dGd cAc BBB BGB AAA'  
X:1
L:1/8
M:6/8
K:D
 B/c/ | d3 c3 | B2 A G2 B | AAA TcBc | AAA TcBA | d3 Tc3 | BBB gfg | g2 e fed | c3 A2 :: c | 
 def aec | Bdc TBGB | A2 d TcBc | A2 d TcBA | Tfdf ecA | BBB gfg | a2 e Tfed | c3 A2 :: c | 
 dGd cAc | BBB BGB | AAA TcBc | AAA TcBA | dfd cec | BBB gfg | a2 e Tfed | c3 A2 :|  