C=D
D=E
E=F
F=G
G=A
A=B
B=C
www=�
yE=�
yB=�
��=𝄫
�=♭
�=♯
��=𝄪
u=$(word 1,$1)
v=$(word 2,$1)
f=$u$($v)$(if $(2:wwwwwww=), $(call f,$($u) $(subst ��,,$($2)$v$(y$u)),w$2))
$(foreach x,$(strip $(STDIN)),$(info $(call f,$(subst �, ,$x),w)))