Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:4/4
K:D
['f>e d>e f<a A>d', 'f>g a>A a>g f>e']  
X:1
L:1/8
M:4/4
K:D
 A>d | f>e d>e f<a A>d | f>g f>e d4 | e2 e>f g>e f<d | e2 A2 A2 d>e | f>e d>e f<a A>d | 
 B<G B>d A2 g2 | f2 f<a e>A e<f | d4 d2 :| f>g | a>A a>g f>e d>e | f>A d>e f4 | g>f e>g f>e d>f | 
 e2 A2 A2 f>g | a>A a>g f>e d>c | B<d B<d A2 g2 | f2 f<a e>A e<f | d4 d2 :|  