In concert halls the walls are made out of acoustic materials. The materials, as well as the amplifier may result in multiple echoes in a concert hall.
reverberation
Oxford
7000
Well I saw him in September 1975 at De Montfort Hall
George Harrison
clarks
Change the surround setting on your receiver. Choosing Hall or Concert adds reverb and delay to the speakrs. Try a Club or Jazz Hall setting.
Video Concert Hall was created in 1978.
Maverick Concert Hall was created in 1916.
Thessaloniki Concert Hall was created in 2000.
Ermitage - concert hall - was created in 1914.
Sapporo Concert Hall was created in 1997.
Limoges Concert Hall was created in 2007.
Oslo Concert Hall was created in 1966.
Vigadó Concert Hall was created in 1859.
Carnegie Hall Concert was created on 1966-07-25.
Town Hall Concert was created on 1964-04-04.
Vatroslav Lisinski Concert Hall was created in 1973.