Compose a piece of music utilizing the given alphabet sequence and motif.
X:1
L:1/8
Q:1/4=160
M:4/4
K:Dmix
['ABcA B2 G z']  
X:1
L:1/8
Q:1/4=160
M:4/4
K:Dmix
|:"Am" cBAG"D" FGAF |"Em" GABG"D" A2 D/E/D/ z/ | F2 D/E/D/ z/ F2 A z |[M:2/4]"Am" A3 B | 
[M:4/4]"Am" cBAG"D" FGAF |"Em" GABG"Am" ABcA |"G" B2 G z G2 z B ::"Am" cBcd"Em" e4 | 
 g2 (3efg"D" agfe | defd"Em" efge |"Am" a z A2 A3 B |"Am" cBcd"Em" e4 | g2 (3efg"D" agfe | 
 defd"Am" ABcA |"G" B2 G z G3 B :|  