Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:2/4
K:D
['ge fd', 'A>G AG FA de/f/']  
X:1
L:1/8
M:2/4
K:D
 fe/f/ ge | fd de/f/ | gB ed | cA Ae/g/ | f>a ge | fd fa/f/ | e/f/e/d/ ce | d2 dc :| A>G AG | 
 FA de/f/ | gB ed | cA BG/B/ | A>G AG | FA de/f/ | ge/d/ ce |1 d2 dB :|2 d2 d2 ||  