In 1949 the canvas awning was removed and replaced with fluted aluminium panels below the glass roof , in a new attempt to solve the echo ; but the acoustics were not properly tackled until 1969 when large fibreglass acoustic diffusing discs ( commonly referred to as " mushrooms " or " flying saucers " ) were installed below the ceiling . In 1968 , the Hall hosted the Eurovision Song Contest 1968 and in 1969 – 1989 , the Miss World contest was staged in the venue
Eurovision Song Contest 1968
Eurovision Song Contest 1968
Royal Albert Hall