There are multiple artists track as Tel Quel on last.fm.

1. Tel Quel is a solo project in Japan by Matthew Gammon which "takes listeners through lucid dream and meditative states." Tel Quel has performed worldwide with performances that aim to guide the audience through psychic journey "beyond the conventional structures of symbolic thought." His music has been "commissioned for fashion shows, interpretive dance performances, and various audio-visual installations."
The primary genres of this project are idm, ambient, and electronic.
More info can be found at his official website here: https://telquelmusic.com

2. Tel Quel is a independent heavy metal band formed in Mons, Belgium. The band members are: Erik (bass), Toy (drums), Stéphane Busiau (guitars), Pascal Moonens (guitars), and Lolo (vocals). They have released one album since they have formed.
Their official bandcamp can be found here: https://telquel2.bandcamp.com Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.