### Instruction: why did Syd Barrett left the Pink Floyd?
### Response: Syd Barrett was one of the main members of the Pink Floyd. He has used drugs a lot and after a while he was not able to perform with the team. Even though the band gave him multiple chances, he could not keep up with the band. In the end, they had to ask him to leave the band. The main reason that he has left the team is his health problems and addiction to drugs.