Sergio Bezos

The provided news articles do not mention anyone named Sergio Bezos. Article 1 discusses Javier Gurruchaga's appearance on 'La Revuelta' to celebrate the 50th anniversary of Orquesta Mondragón. Article 2 focuses on Rodrigo Cuevas' debut performance on 'La Revuelta', highlighting his traditional attire and musical performance. Therefore, it's impossible to provide information about Sergio Bezos based on the given context. The articles are about the appearances of two different artists on a TV program called 'La Revuelta'.