you say what to do in Barcelona May 29, 2015 - news Mark Knoop and Serge Vuille performed you say what to do at Festival Mixtur in Barcelona last month. There are some lovely photos by Aga Miley on the website. Looks like everyone was having fun. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.