Conversation so far:
Who composed the song Purple Haze?
Purple Haze is a song written by Jimi Hendrix
How long did it take to make the song Purple Haze?
The basic track was recorded in four hours
What are some other things about the composition of the song Purple Haze that are noteworthy besides written by Jimi Hendrix and recorded in four hours?
The intro consists of the melodic interval of a tritone or diminished fifth. Historically, this dissonant interval has been referred to as diabolus in musica (literally Devil in music)

Question: What was so special about the song?
Self-contained rewrite: What was so special about the song Purple Haze?