Purple Haze
... that the tritone heard at the beginning of Jimi Hendrix's song "Purple Haze" was historically called "Devil in music" and to play it was considered comparable to ringing Satan's doorbell?
... that the <a class="mw-redirect" href="./Devil_in_music" id="mwBLw" rel="mw:WikiLink" title="Devil in music">tritone</a> heard at the beginning of <a href="./Jimi_Hendrix" id="mwBL0" rel="mw:WikiLink" title="Jimi Hendrix">Jimi Hendrix</a>'s song "<b id="mwBL4"><a href="./Purple_Haze" id="mwBL8" rel="mw:WikiLink" title="Purple Haze">Purple Haze</a></b>" was historically called "Devil in music" and to play it was considered comparable to ringing Satan's doorbell?