Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/4
M:6/8
K:G
['d g2 f e d d e', 'e g']  
X:1
L:1/4
M:6/8
K:G
 d | g2 f e | d d e g | B (B c A) | G4 :| d | B G B d | g g e g | f d e ^c | d2 d d | g2 f e | 
 d d e g | B B c A | G3 :|  