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Chemical Brothers released their latest album, Born in the Echoes, on Friday featuring collaborations with St. Vincent, Beck and Q-Tip among others. Below, we are offering you the chance to get your hands on a copy of that album, not only in its deluxe vinyl edition, but also signed. All you have to do to be in with a chance of winning one of the two copies we have to give away is answer the question below correctly and send your answer to comps@thequietus.com with the subject line 'Chems Competition'. Entries close on Thursday at midday. Good luck.

Which of the below acts have Chemical Brothers not collaborated with on Born in the Echoes?

A. Cate Le Bon
B. Beck
C. Björk