Sponsorship of the concert by soprano Sonya Yoncheva
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Technobell is a proud sponsor of the concert of opera arias by soprano Sonya Yoncheva which took place as part of the 69th Festival Ljubljana on 27 July 2021 at Kongresni trg in Ljubljana. Sonya Yoncheva performed with the tenorist Martin Sušnik and the SNG Opera and Ballet Ljubljana Orchestra.