Beyond all the press hyperbole ("the most famous British muslim in the world", The Guardian) and adulation ("the biggest Islam rock star" Time), the basic statistics of singer Sami Yusuf pretty much speak for themselves.
Seven million albums sold, two million Facebook friends and, on June 11th, he'll become the first international star to perform in Cairo post-Mubarak.
Born in Tehran in 1980, Yusuf studied at the Royal Academy of Music in London having learned a variety of instruments from an early age, including piano and violin as well as the less familiar to many, the tar, tombak and santur. His first album was released in 2003 and became a huge hit across the Middle East. However, not everyone has been happy with his success, with criticism in some quarters that his live shows tend to veer too far from the values of his religion.
This is Yusuf's first visit to Spain but is unlikely to be his last.