Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/8
M:3/4
K:D
['a2 (fd) A>f (fg) (ec) (3(ABc)', 'A>f (fg) (bg) f>f (fg) (ef) d>f']  
X:1
L:1/8
M:3/4
K:D
{/^g} a2 (ga) b>g |{/^g} a2 (fd) A>f | (fg) (ec) (3(ABc) | (dA) GF ED |{/^g} a2 (ga) b>g | 
{/^g} a2 (fd) A>f | (fg) (ec) (3(ABc) |1 d2 [Fd]2- [Fd]^g :|2 d2 [Fd]2- [Fd]e |: (fg) (bg) f>f | 
 (fg) (ef) d>d | (dc) (Ac) B>^G | (3(ABc) (3(AB^G) A>f | (fg) (bg) f>f | (fg) (ef) d>f | 
 (fg) (ec) (3(ABc) |1 d2 [Fd]2- [Fd]f :|2 d2 [Fd]4 |]  