Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:2/4
K:Dmix
['fg a>g fg a>b aa/g/ fe', 'd2 e/f/e/d/ cd ee/e/ ef gg/g/ fe']  
X:1
L:1/8
M:2/4
K:Dmix
 fg a>g | fg a>b | aa/g/ fe | d2 d2 :: e/f/e/d/ cd | ee/e/ ef | gg/g/ fe | d2 d2 :|  