Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/8
M:2/4
K:D
['f2 e2', 'fgab efga']  
X:1
L:1/8
M:2/4
K:D
 f2 e2 | dc/B/AG | FaEg | f2 e2 | FaEg | f2 e2 | fe/d/ c/d/e/c/ | d2 D2 :: fgab | efga | fgab | 
 e2 A2 | fgab | efga | fe/d/ c/d/e/c/ | d2 D2 :|  