Create a musical piece that includes the provided motif while adhering to the necessary musical structure.
X:1
L:1/8
M:4/4
K:D
['Ad df fa a2 a>a', 'Ad f>d Ad f2 a2'  
X:1
L:1/8
M:4/4
K:D
|: A | Ad df fa a2 | a>a b>f ag ag | Ac ce ea a2 | c'>d' c'>d' ba{bc'} ba | Ad df fa a2 | 
 a>a c'>d' c'b b>d' | c'b c'b{bc'} ba ba | a>g fe/>e/ d2- d :: A/>A/ | Ad f>d Ad f2 | 
 a2 b>a ag g2 | Ac e>c Ac ea | c'>d' c'>d' ba{bc'} ba | Ad f>d Ad f2 | a2 d'>c' c'b b>d' | 
 c'b c'b ba ba | a>g fe/>e/ dd d :|  