Craft a music piece utilizing the assigned alphabetic notation and the supplied motif.
X:1
L:1/8
M:2/4
K:G
['G2 z']  
X:1
L:1/8
M:2/4
K:G
 D | EFGG | GGGG | G2 z D | EFGG | G2 z A | B/B/BBB | cBAB | GGGc | GGGD | D/D/DE/E/F | G2 z A | 
 B/B/BBB | cBAB | GGGc | GGGD | D/D/DE/E/F | G2 z |]  