One of the greatest pleasures that music gives its performers are playing together, but the solipsists of the YouTube generation have discovered that they can dispense misleading interactions with other humans and perform solo with the help of loops and other electronic resources that replace a band. This is the case of the young British prodigy Jacob Collier, who debuts in Portugal and brings in the luggage the new album Djesse, a word whose affinity with "jazz" is strictly phonetic.