Compose a piece of music utilizing the given alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:D
['FAAB AFED FAAa bafa gage', '', 'g f2 fg fedf abag fgaf g2']  
X:1
L:1/8
M:4/4
K:D
|: FAAB AFED | FAAa bafa | gage fgfd | efed B3 A | FAAB AFED | FAAa bafa | gage fdec | dBAF D4 :| 
 g |: f2 fg fedf | abag fgaf | g2 ga gABd | efed B3 g | f2 fg fedf | abag fgaf | g2 ga gfeg | 
 fdec d3 e :|  