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
['AD (3FED D2 dB ADFA B E3', 'D2 dBAB', 'fa{b}af defg adfa', 'd f3']  
X:1
L:1/8
M:4/4
K:D
 AD (3FED D2 dB | ADFA B E3 | ADFA defe | dBAF AD D2 :| | dBAB dgfe | dBAd B E3 | dBAB df{a}fe | 
 dBAF AD D2 | dBAB defe | d B3 g B3 | dBAB defe | dBAF ADDg || fa{b}af defg | adfa bgeg | 
 fa{b}af defe | dBAF AD D2 | fa{b}af defg | adfa bgef | g3 e fgfe | dBAF AD D2 || d f3 dfef | 
 d f3 afef | df{g}fe f3 e | dBAF AD D2 | d f3 dfef | d f3 afef | g3 e fgfe | dBAF ADDB ||  