Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:4/4
K:C
['c2 ed c2 GB c2 GF', 'ecgc acgc'  
X:1
L:1/8
M:4/4
K:C
 G | c2 ed c2 GB | c2 GF ECCA | defe d2 A^c | d2 AG FDDB | c2 ed c2 GB | c2 GF ECCE | DEFG ABcA | 
 d2 AG FDD || f | ecgc acgc | ecgc ecce | fdad bdad | fgag fddf | ecgc acgc | GAcd eccg | 
 afge fde^c | d2 AG FDD |]  