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Muslim pop megastar Maher Zain sings for Syria aid

13 November 2013 Last updated at 02:12 GMT

With more Facebook fans than any other Muslim artist, award-winning singer-songwriter Maher Zain is one of the biggest stars in modern Islamic music.

His mix of devotional lyrics with contemporary pop and R&B beats has struck a chord with listeners across the Muslim world and beyond.

He has also just raised almost US $5m through charity concerts for Human Appeal, which works in Syria.

The BBC's Leana Hosea caught up with him backstage at his concert in London.