There are several music acts under the name "Leon":
1. DJ on Viva Music Label
2. Japanese visual kei band (sometimes typeset as LE♂N)
3. Serbian singer, Stefan Dimitrijevic aka Leon.
4. Swiss experimental/jazz/noise rock band (https://l-e-o-n.bandcamp.com/)
5. VOCALOID1 Leon, stylized as LE♂N, the first male Vocaloid to ever be released
6. Rapper from the DMV, @resoundlee on instagram Read more on Last.fm