Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:2/2
K:G
['B2 Bd dcAc', 'fgaf gfeg fdcA'  
X:1
L:1/8
M:2/2
K:G
 B2 Bd dcAc | BGGB d2 cA | B2 Bd dcAc | d2 cA AGGA | B2 Bd dcAc | BGGB d2 cA | BABd dcAc | 
 dBcA AGGe || fgaf gfeg | fdcA Adde | fgaf gfeg | fdcA AGGe | fgaf gfeg | fdcA Adde | fefg abag | 
 fdcA AGGA |]  