Roger Waters - Announcement

LONDON, ENGLAND - NOVEMBER 15: Roger Waters announces The Wall live tour at The Mayfair Hotel on November 15, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Roger Waters - Announcement

LONDON, ENGLAND - NOVEMBER 15: Roger Waters announces The Wall live tour at The Mayfair Hotel on November 15, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Roger Waters - Announcement

LONDON, ENGLAND - NOVEMBER 15: Roger Waters announces The Wall live tour at The Mayfair Hotel on November 15, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Roger Waters - Announcement

LONDON, ENGLAND - NOVEMBER 15: Roger Waters announces The Wall live tour at The Mayfair Hotel on November 15, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Roger Waters - Announcement

LONDON, ENGLAND - NOVEMBER 15: Roger Waters announces The Wall live tour at The Mayfair Hotel on November 15, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Roger Waters - Announcement

LONDON, ENGLAND - NOVEMBER 15: Roger Waters announces The Wall live tour at The Mayfair Hotel on November 15, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Roger Waters - Announcement

LONDON, ENGLAND - NOVEMBER 15: Roger Waters announces The Wall live tour at The Mayfair Hotel on November 15, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Roger Waters - Announcement

LONDON, ENGLAND - NOVEMBER 15: Roger Waters announces The Wall live tour at The Mayfair Hotel on November 15, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Roger Waters - Announcement

LONDON, ENGLAND - NOVEMBER 15: Roger Waters announces The Wall live tour at The Mayfair Hotel on November 15, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)