Artists such as Esbjörn Svensson, Hiromi Uehara and Tigran Hamasyan are where the band gets its inspiration from. The classification of Immortal Onion's music is rather challenging, as the musicians are not afraid to refer to many music genres. Their songs are influenced, among others by jazz, film music, minimalism, fusion, electronic music, and even progressive metal. In spite of this divergence in the styles they rotate in, they have succeeded in creating their own recognisable language.
„They've got mastery of their instruments and they have a sound that's of their time." - Nextbop.com
Their distinctive sound is down to them skilfully combining energetic and rhythmically complex fragments with minimalist, trickier themes and lyrical themes.
As the laureates of the 6th edition of the program "Jazz phonographic debut" organised by the Institute of Music and Dance, they released their first album "Ocelot of Salvation", which had its premiere at the Warsaw Summer Jazz Days festival, opening the festival with Kamasi Washington.