Although in his 2005 autobiography Mason recalled the sessions as relatively trouble - free , Smith disagreed and claimed that Barrett was unresponsive to his suggestions and constructive criticism .
Barrett 's LSD intake escalated part - way through the album 's recording sessions .
Although in his 2005 autobiography Mason recalled the sessions as relatively trouble - free , Smith disagreed and claimed that Barrett was unresponsive to Barrett 's suggestions and constructive criticism .
Barrett 's LSD intake escalated part - way through the album 's recording sessions .