The sky above me is darkening from the purest Yves-Klein-bleu to a deep midnight blue. In the big open rotunda of Castell de Bellver I’m all ears, listening to a most exciting interpretation of a Mozart serenata. Even if classical music is not your thing I’m sure you would have been just as thrilled as I was. Set amidst the Castell’s spectacular murallas you simply cannot resist its magic. Italian violist Lorenza Borrani was captivating the audience with her passionate play and modern approach…