Construct a piece of music by converting the stated musical sequence into an alphabetical format and integrating the supplied motif.
X:1
L:1/4
M:3/4
K:G
['d B', 'd g']  
X:1
L:1/4
M:3/4
K:G
 D | G3/2 B/ d | d B e | d B g | d B (B/A/) | G3/2 B/ d | d B G | D B A | G2 uD | G3/2 B/ d | 
 d B e | d B g | d B (B/A/) | G3/2 B/ d | d B g | d b a | g z |] d | g f g | e f g | e a3/2 g/ | 
 f d d | g3/2 f/ g | e d c | B A G | d2 c/B/ | c e c | B d g | d B G | B A d | g3/2 f/ e | d g B | 
 d3/2"_D.C. to Allegro." c/B/A/ | G z |]  