Produce musical compositions that observe the prescribed structure and blend the offered musical idea.
X:1
L:1/8
M:2/4
K:G
['dBBB dBBB']  
X:1
L:1/8
M:2/4
K:G
 B | dBBB | dBBB | cAAA | c2 BB | dBBB | dBBB | ABcA | A2 G z | AA/B/AA/B/ | AA/B/AA | ABAG | 
 FEDB | dBBB | dBBB | ABcF | G2 z2 | A>BA>B | A>B A2 | ABAG | FE D2 | d2 B2 | d2 B2 | ABcF | G2 z |]  