There, he continued to host radio shows and to write articles for the national newspapers Le Matin de Paris and VSD.

Muller became famous in the 1980s as a radio and TV host[2] whose shows helped introduce New Wave and pop rock music to the French public.

In 1985, he began producing and hosting specials—on The Cure, Indochine, and Sade Adu, for example—for the show Les Enfants du Rock on National Broadcaster France2 reaching an average 15 million viewers.

[4] By 1987, he managed daily shows on the RMC radio station and La Cinq television network, featuring musicians and bands such as The Cure, James Brown, Elton John, Patrick Bruel, and Serge Gainsbourg.

In the summer of 1987, he ran a live music tour, presenting various French bands every night in different cities: 35 shows in front of a more than 300.000 people (audience).

He created or produced shows in Spain, Italy, the United Kingdom, and Latin America, among other places, and rose to become chief executive officer of Grundy France by the end of 1999[7] before founding his own company, Waï TV.

Waï produced prime-time shows such as Printemps des Poètes[8] and Code de la route, le grand examen, hosted by Patrice Laffont and Gaël Leforestier.