Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:2/2
K:D
['d2 FB AFED FAAB ABde f A3']  
X:1
L:1/8
M:2/2
K:D
|: d2 FB AFED | FAAB ABde | f A3 FAde | f2 af fedB | A3 B ABde | fAAd B3 d | ABde fabf |1 
 afef defe :|2 afeg fdde |:  