Whispering gallery to the walls, an effect that was discovered in the whispering gallery of St Paul's Cathedral in London. The extent to which the sound travels at St Paul's can also be judged by clapping in the gallery, which produces four echoes. Other historical examples are the Gol Gumbaz mausoleum in Bijapur and the Echo Wall of the Temple of Heaven in Beijing. A hemispherical enclosure will also guide whispering gallery waves. The waves carry the words so that others will be able to hear them from the opposite side of the gallery. The gallery may also be in the form
Whispering Jack a national tour to celebrate the 25th anniversary of "Whispering Jack", including the album being performed in its entirety in track order. Following the initial success of the album, a series of concerts was performed around Australia in 1987. One such performance was recorded at the Melbourne Sports and Entertainment Centre, and broadcast on Network Ten. A full version of the concert was also released to video in the same year. Disc One (CD) Disc Two ("Whispering Jack Live in Concert" DVD) (NOTE: The DVD used the edited version originally broadcast on television in 1987.) Whispering Jack Whispering Jack is