Compose melodies based on the specified pattern and provided motif.
X:1
L:1/8
Q:1/2=100
M:2/2
K:C
['G2 GA', 'e2 ec'  
X:1
L:1/8
Q:1/2=100
M:2/2
K:C
 C2 |[K:C]"^20 of June 1842" G2 GA GECE | F2 AG ABcA | G2 GA GEC z | fedc A2 c2 :: e2 ec f2 fd | 
 e2 ec dBGB | e2 ec f2 fd | gedc A2 c2 :|  