Complex sentence: A feature called "Podcast Player" involves DJ colleagues of Gareth's leaving him an answerphone message and playing one of their favourite tracks of the time: previous guests have included Tiesto, deadmau5, and Avicii.
Split into simpler sentences: A feature called "Podcast Player" involves DJs leaving an answerphone message and playing one of their favourite tracks of the time. Previous guests have included Tiesto, deadmau5, and Avicii.