Iranian-Saudi a cappella artist Alaa Wardi perfectly showcased the " Evolution of Arabic Music " in a six-minute video that captured the attention of millions.

But that wasn't the artist's only hit, Wardi has always had an exceptional talent in turning popular songs into something quite unique. Here are 6 must-watch covers Wardi has perfected:

1. Chandelier, Sia

2. Aicha, Cheb Khaled

3. Happy, Pharrell Williams

4. Royals, Lorde

5. Wahashteny, Amr Diab

6. Jai Ho

Wardi has also beautifully covered songs, without going full on a cappella:

Can't Feel My Face, The Weeknd

Stay, Rihanna ft Mikky Ekko