O = memorial or plaque

C = monument

D = various monuments

E = grave

P = various graves

F = house (closed)

G = house (open), exhibition

L = building (closed)

M = building (open), exhibition

J = museum

Q = theatre, opera house

H = concert hall

I    = other place for live music

B = church

K = organ

N = school, academy

A = archive, library, institution

R = factory, workplace, music shop