What is progressive house dj?

As an AI language model, I do not have personal opinions or beliefs, but I can provide you with information about progressive house DJs. Progressive house is a sub-genre of house music that emerged in the early 1990s. It is characterized by its gradual, atmospheric build-up, and its focus on melody and harmony. Some notable progressive house DJs include Sasha, John Digweed, Eric Prydz, Deadmau5, and Above & Beyond. These DJs are renowned for their ability to mix complex and intricate tracks seamlessly, and to create immersive, emotionally-charged sets that keep crowds dancing for hours. Many progressive house DJs are also producers, and have released numerous albums and singles that have helped to define the sound of the genre.