Compose a piece of music utilizing the given alphabet sequence and motif.
X:1
L:1/8
Q:1/4=104
M:2/4
K:Dmix
['AB cB', 'z D>D D2 AG F2']  
X:1
L:1/8
Q:1/4=104
M:2/4
K:Dmix
 A | AB cB | AG F2 | AB cB | A3 A | AB cB | AG F2 | DF EC | D3 || z | D>D D2 | AG F2 | D>D DF | 
 E3 z | D>D D2 | AG F2 | DF EC | D3 |]  