Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:2/4
K:F
['cc/c/dd cBAF ccdd cBA z ccB/B/B AA']  
X:1
L:1/8
M:2/4
K:F
 cc/c/dd | cBAF | ccdd | cBA z | ccB/B/B | AA G2 | ccBB | AA/A/ G2 | cBAF | F2 F z |]  