Develop a music arrangement by incorporating the given alphabetical sequence and the provided motif.
X:1
L:1/16
M:2/4
K:D
['ABd2 dBAF ABd2', 'DEFG ABAG', 'a2(a2 a)gfe dBAB defg abag f2(d2']  
X:1
L:1/16
M:2/4
K:D
 ABd2 dBAF | ABd2 d2>B2 | ABd2 dBAG | FGAF D4 | ABd2 dBAF | ABd2 d2>e2 | fefe dBAG | FGAF D4 :: 
 DEFG ABAG | ABAF D2DD | DEFG ABAG | F2(D2 D4) ::"^\"Variations\" B- Part" defg a2(a2 | 
 a)gfe dBAB | defg abag | f2(d2 d4) :|  