Develop a piece of music using the specified alphabetic notation system and the provided motif.
X:1
L:1/4
M:2/4
K:G
['G z']  
X:1
L:1/4
M:2/4
K:G
 D | G/G/G/G/ | G A | G D | D z | A A | A c | B/G/G/G/ | A/G/G/G/ | A/G/F/E/ | D/D/D/D/ | G z | 
 D D/D/ | G z | D D/D/ | G z | G B | d z | B d/B/ | B B | A A/A/ | G |]  