Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:4/4
K:D
['dB AD D/D/D ADFD ABde fedc BE', 'D2 fg afdf bgeg fded BcdB Addc']  
X:1
L:1/8
M:4/4
K:D
 dB | AD D/D/D ADFD | ABde fedc | BE E/E/E BE E2 | efed cdeg | fd d/d/d fddg | fdec dfag | 
 fgec dABG | FGEF D2 || fg | afdf bgeg | fded BcdB | Addc defg | afbg agfg | a2 af g2 ge | 
 fdec dfag | fgec dABG | FGEF D2 ||  