His work was inspired by American pop and jazz in the style of Frank Sinatra, Tony Bennett and Andy Williams.

After having toured the arts of Bordeaux, he "got up" in Paris in the late 1950s, where he made his name little by little in most cabarets of the two banks (Villa d'Este, Fontaine des 4 saisons, etc.

At the Olympia, he was cut in the first part of Edith Piaf: first hired as a "supplement to the program," a sacred "revelation of the year" and finished five weeks later in second place on the poster.

At the beginning of the 1960s, Amont would develop a prolific career getting more than 5 gold albums and achieve successes such as «Les Bleuets d'Azur» and «Le balayeur du roy».

The following year Amont released another success that was sold in 50 million copies entitled "L'amour ça fait passer le temps" in 1971.

Like many leading artists of the 1960s and 1970s, the 1980s are hard on the French media plan, but for more than two decades, the very visual nature of their art opened the doors to the outdoors (touring Japan, Russia, recital at the Gould Foundation of San Francisco, Studio One in Rome for one year, etc.).

Amont puts to the music two texts by Georges Brassens (A Little Eva in excess, The Old Fossil), which he had awarded in 1976 «Le chapeau de Mireille».

In the French plan, he finds a new life in the 2000s and in 2006, he returns with a new album time difference between Francis Dreyfus, the duets signature with Agnès Jaoui, Gérard Darmon, Didier Lockwood, Bireli Lagrené.

In 2010, he participated in the album for children of Emma Daumas Les Larmes de Crodrilo, writing several texts and singing a duet with elle, about music by his son Mathias Miramon.

In 2013, his song Il has the yellow jersey appearing on the soundtrack of the film La Grande Boucle directed by Laurent Tuel.

Among the recipients: Charles Aznavour, Maurice Chevalier, Yves Montand, Alain Souchon, François Morel, and Antoine de Caunes, among others.

From November 2016 to February 2017, he participated in the tenth anniversary of "Age tend, the tour of idols", together with Gérard Lenorman, Sheila, Hugues Aufray, among others.

In 2018, the stand-up begins with a new show "Marcel says and sings Amont", in which he trusts in the manner of a humorist, tracing his life from his native southwest until today.

Sales exceed 35 million copies, making him the third best-selling French singer in the country's music history, behind Michel Sardou and Johnny Hallyday.