Construct a piece of music by converting the stated musical sequence into an alphabetical format and integrating the supplied motif.
X:1
L:1/8
M:4/4
K:D
['fddd Addf edcd']  
X:1
L:1/8
M:4/4
K:D
 a | fddd Addf | edcd efga | fddd Addf | edcd efgg | faaa faaa | bagf efgg | eggg eggg | 
 agfe fa z2 | d3 d dc z c | BcdB BA z2 | g3 g gf z f | feac ed z ||  