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
Q:1/4=100
M:2/4
K:G
['gd dc B/c/d/B/ GD GB A/B/c/A/ BG', 'Ad/c/ BG G2 Bd d=f e/d/c/B/ c2']  
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
|:"^A" gd dc | B/c/d/B/ GD | GB A/B/c/A/ | BG Gd | ec ce | dB Bd | gd cB | B2 A2 ::"^B" FA Ad/c/ | 
 BG G2 | Bd d=f | e/d/c/B/ c2 | ea ag | g/f/e/d/ gc | BA/G/ AD | GG G2 :|  