在这部出神歌舞/纪录片片中,这部纪录片以纳萨尔格纳瓦乐队为线索追溯到灵魂音乐之起源，也就是一千多年前的摩洛哥，一千多年前的非洲大陆。导演希望通过这部纪录片能向世人展示这种宝贵的文化遗产之魅力。片中着重介绍了撒哈拉音乐，纳萨尔格纳瓦音乐以及著名诗人埃尔·梅迪巴的诗歌节选。
The group's "Trances" are our equivalent of "soul music", our irrationality. I followed the example of the Nass El Ghiwane themselves: I went back to the roots. They draw their music from the last thousand years of Moroccan and African history. the film sets out to reveal and emphasize this heritage. I chose the music of the Saharan brotherhood, The Gnawas, and the verses of the famous poet El Mejdoub, to underline the trances
