Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:4/4
K:Gdor
['', 'BAGF DGGA', '(3bag a^f'  
X:1
L:1/8
M:4/4
K:Gdor
 A |: BAGF DGGB | AFcF dFcF | BAGF DGGA | B3 c dgga | (3bag a^f gfde | fdcB AFFA | BAGF DGGA | 
 BdcA BGGA :: dgg^f gbag | f3 e fgaf | dgg^f g3 a | (3bag a^f dgga | (3bag a^f gfde | fdcB AFFA | 
 BAGF DGGA | (3Bcd cA BGGA :|  