INXS had three brothers in the band and didn't split songwriting credits equally, which usually spells disaster. By 1986, they were the biggest band in Australia, but had only made a dent in America, mostly with "What You Need
," a track from their fifth album, Listen Like Thieves
. That one was written by Hutchence and Andrew Farriss (one of the brothers), who showed a knack for writing songs that could connect with listeners. For their next album, Kick
, the band agreed to let Hutchence and Farriss handle all the songwriting, which eliminated any squabbles about whose songs made the album.
The pair wrote most of "Mystify" at a studio in Chicago. Their bandmates loved the demo and recorded it for the album, which ended up being one of biggest of the '80s, selling six million copies just in America and many more worldwide.