Graduated from the composition department of the St. Petersburg Conservatory in 2003, Rannev composes both acoustic and electroacoustic music, which has been performed in Germany, Austria, Switzerland, the UK, Finland, Japan, and the USA by various ensembles, including the Orchestra of the St. Petersburg Conservatory Opera and Ballet Theatre, the Russian State Academic Symphony Orchestra, eNsemble, Studio of New Music, Moscow Contemporary Music Ensemble, Neue Vocalsolisten, and Ensemble Mosaik, among others. Rannev also works in theater, where he took part in numerous staging projects in several theaters, such as Alexandrinsky Theatre (St. Petersburg) and the Theatre Hebbel am Ufer (Berlin). His opera Two Acts, with a libretto by Dmitri A. Prigov, premiered at the Hermitage Museum (with Ensemble Mosaik and conductor Enno Poppe) and won the Grand Prix of the Sergey Kuryokhin Prize in 2013. The opera Drillalians was nominated for the National Theatre Golden Mask Prize in 2016, and the opera Prose was awarded the National Theatre Golden Mask Prize in 2019.