Danielle “Danz” Johnson is a song-writer, composer and producer.

Since 2010 she has been making music formerly under the moniker of Computer Magic and currently under Danz CM. She has written and produced songs featured in commercials (Lexus, Aria Casino) and has composed custom pieces for Panasonic, Body Mainte for Otsuka Pharmaceutical, and Kewpie in Japan. She has modeled clothes for the skate clothing brand X-Girl, founded by Sonic Youth's Kim Gordon; and Sofia Coppola's clothing line Milkfed.

Her influences include New Wave, Italo Disco, Krautrock, New Order, Giorgio Moroder, Gary Numan, Stereolab, Belle & Sebastian and Radiohead. Her visual aesthetics are influenced by sci-fi films like Barbarella, Logan's Run and 2001: A Space Odyssey.

Danz runs her own label, Channel 9 Records, which releases limited edition vinyls and cassettes.

In 2019 she founded Synth History, a media site featuring musicians who embrace synthesizers. She has interviewed artists like Pete Townshend, Suzanne Ciani, James Murphy, Rick Wakeman, Oneohtrix Point Never, Vince Clarke and more. The first Synth History podcast episode on Wendy Carlos - written, recorded, scored and produced by Danz - was released in August of 2020.

Her new record The Absurdity of Human Existence comes out March 12th, 2021 on her label Channel 9 Records.