This episode originally aired on Household Name.Companies spend a lot of time and effort perfecting the look of their brands. But now what a brand sounds like matters just as much. We trace the history from songs to jingles to what's called sonic branding, following the creative process that led to AT&T’s iconic four-note sound logo. And we'll explore what comes next: multi-sensory marketing. Can sound change how beer tastes?Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.Follow the show on Twitter & Facebook. Become a monthly contributor at 20k.org/donate.If you know what this week's mystery sound is, tell us at mystery.20k.org.Try ZipRecruiter for free at ziprecruiter.com/20k.Check out SONOS at sonos.com.Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/soundmarks