Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/8
Q:1/4=120
M:4/4
K:F
['f2 f>f f2', 'z2 c2 c>d e>fg>a b2 g>b a2']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:F
 f2 f>f f2 g/f/e/d/ | c2 c>c c2 a>f | d2 b>g e2 g>e | f2 f>f f2 (ag) | g2 (ef) .g.g.a.g | 
 f2 de ffgf | ed/e/ g/f/e/d/ c2 =B2 | c2 c>c c2 z2 :: c2 c>d e>fg>a | b2 g>b a2 ab | c'aff b>ga>f | 
 g2 c>c c2 AB | c2 d>e f2 a>f | e2 bg a2 (3cfa | c'a .f.f agfe | f2 f>f f2 z2 |]  