Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
Q:1/2=108
M:2/2
K:Edor
['B (AF)(ED) FGFB AFED E2 EB AFED', 'z b agfe fgfb agfe f2 fg', 'AFdF AFdF']  
X:1
L:1/8
Q:1/2=108
M:2/2
K:Edor
 B | (AF)(ED) FGFB | AFED E2 EB | AFED defe | dBdF E2 z :| b | agfe fgfb | agfe f2 fg | agfe defe | 
 dBdF E3 :| F/G/ | AFdF AFdF | AFdF A3 B | AFED defe | dBdF E2 z :|  