There are two artists under that Name.

1) Syd Barrett is an influential psychedelic rock singer-songwriter most famous for being leader of the early Pink Floyd.

2) Another Barrett is a absolutely unknown rapper who is most famous for being confused by Last.fm with an influential psychedelic rock singer-songwriter Syd Barrett. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.