Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:2/2
K:D
['dcde d2'  
X:1
L:1/8
M:2/2
K:D
 (3ABc |"D" d2 fa fedf | edBA dBAF |"A7" [A,E]2 [A,E][CE] [B,E][CE][EA][FA] | [AA]2 Ac BABc | 
"D" d2 fa fedf | edBA dBAF |"A7" Acef (3gfe cA |1"D" dcde d2 (3ABc :|2"D" dcde d2 |: 
"D" (3ABc df edfd | a_agf edc=c |"Bb7" _Bd=fB dfBd | _bg=fb gfd_B |"D" (3ABc df edfd | a_agf edcB | 
"A7" Acef (3gfe cA |1"D" dcde d2 :|2 dcde d2 ||  