Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:6/8
K:D
['g f2 A', 'afd efg gec']  
X:1
L:1/8
M:6/8
K:D
 g | f2 A (Ac)A | (B/c/d)B G2 g | f2 A AcA | d3 g2 g | f2 A AcA | (B/c/d)B G2 g | afd gec | 
 d3 g2 |] g | f2 g afd | efg gec | f2 a afd | f3 g3 | fga afd | efg gec | (f/g/a)f (e/f/g)e | 
 d3 f2 |]  