I do not usually listen to music like this, but his voice is so special, so amazing.
They usually play in the streets of Cologne, they are totally underrated in my opinion.

[youtube:2p1qlgkp]http://www.youtube.com/watch?v=DAEWTyhnULQ[/youtube:2p1qlgkp]

[youtube:2p1qlgkp]http://www.youtube.com/watch?v=AHuK3NZ5P2Q[/youtube:2p1qlgkp]

[youtube:2p1qlgkp]http://www.youtube.com/watch?v=QfAk-chZxO8[/youtube:2p1qlgkp]

Check out their channel for more, it's worth it!