Long before the outbreak of the Algerian War, Mustapha Sahnoune created at the end of the 40s, an ensemble with his friends, he called, La Rose blanche.
In 1958, the political leadership of the revolution based in Tunis decided to create two artistic and athletic troops that will be the spokesman of a people fighting for its liberation.
In March 1958 he went to Tunis and joined the ensemble at the villa Bardo (the party base) to form the artistic alliance in April of the same year.
Sahnoune was in the orchestra, as an accordionist, next to Ahmed Wahbi on oud, singers, Hsissen, the author of Ya Tir El Kafs and Saïd Saïh, the instrumentalist Ben Ahmed, violinist Mensour Boualem, Alilou on the darbuka, musician, actor and dancer, Hamou Sadaoui (Salah Sadaoui's brother) the young singer El Hadi Radjeb and the visionary Djaâfar Bek among others.
Authorities must subsidize this sector through appropriate scientific and cultural resourcesAlongside patriotic compositions, realized, mainly for El Hadi Radjeb and Said Saih, Sahnoune, worked with Tahar Ben Ahmed writing texts of popular châabi songs.