Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
M:2/4
K:G
['B2 GB', 'Bddg e2 dc', 'BdGB ceAc', 'G2 dc Bdgf edcB cBAG FAAc BDgf', '(3Bcd (3GAB', 'b2 gb', "bd' d'g' e'2 d'c'", 'B2 GB'  
X:1
L:1/8
M:2/4
K:G
 dc | B2 GB | c2 Ac | B2 GB | AFDc | B2 GB | c2 Ac | BGAF | G2 :: dc | Bddg | e2 dc | B2 GB | 
 AFDc | Bddg | e2 dc | BGAF | G2 :: dc | BdGB | ceAc | BdGB | AFDc | BdGB | ceAc | BGAF | G2 :: 
 dc | Bdgf | edcB | cBAG | FAAc | BDgf | edcB | BGAF | G2 :: dc | (3Bcd (3GAB | (3cde (3ABc | 
 (3Bcd (3GAB | (3FAd (3DFA | (3Bcd (3GAB | (3cde (3ABc | (3Bed (3cBA | G2 :: d'c' | b2 gb | 
 c'2 ac' | b2 gb | afdc' | b2 gb | c'2 ac' | bgaf | g2 :: d'c' | bd' d'g' | e'2 d'c' | b2 gb | 
 afdc' | bd' d'g' | e'2 d'c' | bgaf | g2 :: dc | B2 GB | c2 Ac | B2 GB | AFDc | B2 GB | c2 Ac | 
 BGAF | G2 :|  