Ahmed at Tahrir Square, Jan. 25, 2011
Please check out these videos of Basiony live in concert.
There are facebook pagse dedicated to him here and here. And here's a tribute to him at the blog disquiet.
You can also find videos of him performing on youtube. I think the ones from Vimeo, above, are the best ones.
Basiony was a collaborator with experimentalist Mahmoud Refat, founder of the label 100 copies. The site (100copies.com) has been offline since the uprising. I hope this changes soon.
RIP. الله يرحمه