Develop a piece of music using the specified alphabetic notation system and the provided motif.
X:1
L:1/8
M:4/4
K:Emin
['z2 A2 B2 c2 d2 egfa g2', 'a2 a2']  
X:1
L:1/8
M:4/4
K:Emin
 z2 | A2 B2 c2 d2 | egfa g2 .dc | BAGA Bc d2 | BcBc dcBc | ABAB cBcd | egfa gfef | gbge dcBc | 
 AF D4 :: eg | a4 a4 | abag e2 ef | gfge dega | bagf e2 eg | a2 a2 a2 a2 | abag edef | gedg edBd | 
 AF D4 :|  