Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:4/4
K:D
['A2 ABde', 'a2 fa'  
X:1
L:1/8
M:4/4
K:D
 fA A2 ABde | f3 e dBBc | dA A2 ABde | fgfe dcde | fA A2 ABde | f3 e dBBA | FAAF ABde | 
 fgfe d3 e || faaf a2 fa | a2 fd edBd | faaf a2 fa | a2 fa b3 a | faaf a2 fa | a2 fd edBc | 
 dAAF ABde | fgfe d4 ||  