Craft a music piece utilizing the assigned alphabetic notation and the supplied motif.
X:1
L:1/8
M:2/2
K:G
['G2 (BG) dG B2', 'f2 (cd)c_B']  
X:1
L:1/8
M:2/2
K:G
 uD | G2 (BG) dG B2 | (A_B)c=f AFcA | G2 (BG) dG B2 | (A/B/c) Dc BGG :| uf | gddg (g/=f/e) f2 | 
 (cd)c_B (A=F)F^f | gddg (a/g/^f) g2 | dgfa ga_ba | gddg (a/g/=f/e/) f2 | (cd)c_B (A=F)FA | 
 GgBg dg d2 | (A/B/c) Dc BGG"_D.C." |]  