Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/16
M:2/4
K:D
['D2EF D2 A,B,/C/']  
X:1
L:1/16
M:2/4
K:D
|:"D" DFCE"D" D2EF |"A" GECE"D" D2 A,B,/C/ |"D" DFCE"D" D2EF |"A" GECE"D" D2 A,B,/C/ | 
"D" D2F2"D" A,2F2 |"A" E4"A/E" E4 |"A" E^DEF"A/E" GFE=D |"A" C2A2"A/B" B,2"A/C#"C2 | 
"D" D4"D/A" D4 ::"D" a^gab"D/A" a=gf2 |"D" fefg"D/A" fed2 |"D" dcde"D/A" f2df |"A" e4"A/E" e4 | 
"A" e^def"A/E" gfe=d |"A" c2a2"A/C#" B2c2 |"D" d4"D/A" d4 :|  