![Musician Thomas Bloch (R) from France performs with a glass harmonica in duet with male soprano Patrick Husson at "Coves del Salnitre " during the Gong festival in Collbato, Montserrat mountain July Musician Thomas Bloch (R) from France performs with a glass harmonica in duet with male soprano Patrick Husson at "Coves del Salnitre " during the Gong festival in Collbato, Montserrat mountain July](https://c8.alamy.com/zooms/6/8195bd8408704210a378d0f2c94d1b39/2d2g9nm.jpg)
Musician Thomas Bloch (R) from France performs with a glass harmonica in duet with male soprano Patrick Husson at "Coves del Salnitre " during the Gong festival in Collbato, Montserrat mountain July
![Musician Thomas Bloch (L) from France performs with a glass harmonica at "Coves del Salnitre" during the Gong festival in Collbato, at Montserrat mountain near Barcelona July 19, 2009. Picture taken July Musician Thomas Bloch (L) from France performs with a glass harmonica at "Coves del Salnitre" during the Gong festival in Collbato, at Montserrat mountain near Barcelona July 19, 2009. Picture taken July](https://c8.alamy.com/comp/2E70AG4/musician-thomas-bloch-l-from-france-performs-with-a-glass-harmonica-at-coves-del-salnitre-during-the-gong-festival-in-collbato-at-montserrat-mountain-near-barcelona-july-19-2009-picture-taken-july-19-2009-reutersgustau-nacarino-spain-society-2E70AG4.jpg)
Musician Thomas Bloch (L) from France performs with a glass harmonica at "Coves del Salnitre" during the Gong festival in Collbato, at Montserrat mountain near Barcelona July 19, 2009. Picture taken July
![Musician Thomas Bloch (L) from France performs with a glass harmonica at "Coves del Salnitre" during the Gong festival in Collbato, at Montserrat mountain near Barcelona July 19, 2009. Picture taken July Musician Thomas Bloch (L) from France performs with a glass harmonica at "Coves del Salnitre" during the Gong festival in Collbato, at Montserrat mountain near Barcelona July 19, 2009. Picture taken July](https://l450v.alamy.com/450v/2d1n99r/musician-thomas-bloch-from-france-performs-with-a-glass-harmonica-at-coves-del-salnitre-during-the-gong-festival-in-collbato-at-montserrat-mountain-near-barcelona-july-19-2009-picture-taken-july-19-2009-reutersgustau-nacarino-spain-society-2d1n99r.jpg)