Create a musical piece with the provided alphabetic notation system and theme.
X:1
L:1/8
M:3/4
K:G
['z G Bd/e/dc B2']  
X:1
L:1/8
M:3/4
K:G
 D | GGBA G2 | AB G2 z G | Bd/e/dc B2 | d/d/c B2 z B | dd/e/dc B2 | cB A2 z G | Bd/e/dc B2 | 
 dc B2 z |]  