Portuguese Gothic metallers MOONSPELL made the following announcement at their official Facebook page:
"MOONSPELL are proud to confirm the acoustic show Sombra (as shown in 'Wacken 2012') at the close of Lisbon city festivities, on June 29th, Torre de Belém. The admission is free and it will be an unique / exclusive show to celebrate their hometown city."
More info at this location.
Source: www.FaceBook.Com/MoonspellBand