Liliya Kadnikova graduated from Nizhny Novgorod State Conservatory named after Mikhail Glinka in 2010 (professor Alexander Sakulin).
In 2011 – 2015 she studied and completed post-graduate studies in D'Arte Lirica di Osimo academy (Italy). In 2014 – 2018 Liliya studied in Mario Binci academy (Italy).
In 2012 she took part in organ concerts in San Giuseppe da Copertino (Osimo, Italy). In 2013 she presented concerts in Italian cities: Fano, Osimo, Castelfidaro, Ankona, Pizzaro, Rimini, Fermo.
In 2014 performed a role of Fairy in Hänsel und Gretel by Engelbert Humperdinck in La Nuova Fenice theatre in Osimo (Italy).
In 2016 performed a role of Hanna Glawari in Italian version of operetta Die lustige Witwe by Franz Lehár in Salone degli Stemmi (Castelfidaro, Italy).
In 2017 took part in production of Aida in Monte San Pietrangeli and Monte San Giusto (Italy). She studied with famous Italian singers and conductors: Alberto Zedda, Raina Kabaivanska, Leila Kuberli, Christina Mutti, Vincenzo de Vivo, William Matteuzzi, Wilma Vernocchi, Antonio Juvarra.