Both groups went on to be associated with the French touch He has written music for more than 60 French and international films, including Au nom de ma fille, Sleepless Night[4] by Frédéric Jardin, The Extraordinary Journey of the Fakir, Sticky Fingers by the Canadian filmmaker Ken Scott, The Lookout by the Italian director Michele Placido.

In 2008 the success in China of the film The Butterfly[5] (which was watched by more than 10 million people)[6] led to a meeting with the Hong Kong director Benny Chan.

This paved the way for him to work in Asian movies, as he composed the soundtracks for three of Chan's films – The White Storm,[7] Shaolin [8] and Connected.

Hidden Man has been chosen by China as its nominee for Best Foreign Language Film at the 91st Academy Awards.

[12] In 2006 Errèra met the photographer and director Jean-Baptiste Mondino, with whom he regularly collaborates on music for promotional films for prestigious brands (including (Yves Saint Laruent, Chanel, Christian Dior SE, Givenchy[13] and many more).

The production has also a limited engagement in July 2013 at the Lincoln Center for the Performing Arts[15] in New York City In 1999 he met Jean-François Bizot, the founder of Actuel magazine and Radio Nova.