Here’s how it’s done: Tanner fires up Spotify on his computer and picks a song,
such as Scorpions’ “Can’t Live Without You,” one of the songs he experimented
with for the study. The song is blasted through a regular pair of speakers and
a virtual output computer program takes the music and inserts the data as the
song plays, after the computer has identified where it wants to place the data.

They discovered not all music is created equal when it comes to data. It’s easier
to hide it on songs with more distracting loud notes, like Queen’s “And The Show
Must Go On” and Van Halen’s “And The Cradle Will Rock.”