In 1989, Claudio Bermúdez Cassani with 17 years old joined Timbiriche, where he shared credits with Diego Schoening, Paulina Rubio, Erik Rubín, Edith Márquez, Bibi Gaytán, Patty Tanús, and Silvia Campos.
In 1991, Timbiriche celebrated their 10 anniversary as a band in "La movida", a late-night TV show hosted by Verónica Castro.
In 1994, Claudio released "Como aire fresco", produced by Rafael Pérez Botija, With 10 songs as a songwriter, which earned a gold record for 100, 000 sold copies.
He reached the peak of popularity in Latin America and the billboard be making their first songs "here with me" and "you are my refuge" He won Best New Artist on Eres Awards in 1995.
In 2006, Claudio produce main song by movie "Open season", performed by REYLI BARBA In the 2007, participated in programa "Disco de oro” .