How Paul van Dyk’s ‘For An Angel’ changed trance forever

First released in 1994, German DJ and producer Paul Van Dyk’s debut track ‘For An Angel’ is one of trance music’s defining anthems, an enduring hit that encapsulates the feeling at the heart of an ecstatic dancefloor. 30 years on, he tells Kristan J Caryl about the genesis and inner workings of the song that changed his life, and which influenced the evolution of an entire genre