At a very young age, Oum joined a gospel choir where she played her first solos at fourteen with a voice that impressed the listeners. At seventeen, her first song, "This is your heart" that she wrote to support the charity operation "Les malades du cœur", helped to successfully secure her first appearance on television. In 1996, she entered the NationalSchool of Architecture in Rabat. She pursued her studies there until graduation in 2002. At the same time, she began to perform in public. With a powerful and expressive voice, she takes over the repertoire of Aretha Franklin, Ella Fitzgerald or Whitney Houston. In 1998, Oum did her first attempts with hip-hop and RnB with Djo Catangana, a producer and creator of the French hip hop collective Mafia Trece. In 2002, she was noticed by Philippe Delmas who invited her to Paris. For two years, she alternated recording sessions and concerts in Casablanca with the Brotherwood band. In 2004, she ended up her Parisian experience. Back to her homeland Morocco, she enters new musical universes: the Gnaoui and the Hassani. Oum's decision to introduce such local forms of rhythms not only influenced her songs' tunes but also her lyrics. She performs with Barry, a musician known for his fusion of musical styles and repertoires, on the stages of the Gnaoua World Music Festival in Essaouira, the Tanjazz in Tangier and the Barcelona Acció Musical in Barcelona. Oum, who grew up in Marrakech, is a soul singer. Yet, her style remains unique since it is highly inspired by influences such as the Hassani poetry and African rhythms. Her first album Lik 'Oum appeared in Casablanca in May 2009. Whowa, means "him" in dialectical Moroccan Darija in the first single from her second albumSweerty -means luck in Moroccan dialectical Arabic, was released with a video clip in January 2010. In July 2012, she released Harguin a collaboration with Blitz the Ambassador on the theme of illegal immigration from sub-Saharan Africa. Sweerty is released in 2012. Oum was invited to the UNESCO headquarters in Paris on the occasion of International Women's Day to give a concert on 7 March 2012. She was invited in June 2013 to take part in the Gnaoua World Music Festival in Essaouira. In September 2015, she released her fourth album: Zarabi which means "carpets" in Moroccan Darija and it is a tribute to the carpet weavers of the village of M'Hamid El Ghizlane. She wrote and co-directed it with Mathis Haug. Yacir Rami accompanied her on the Oud and Rhani Krija on the percussions. Her song Taragalte from the album Soul of Morocco was used in the 2018 movie Beirut.