 Luba Mirella was born in Rostov to a family of Polish musicians who emigrated to Italy during the First World War.She is believed to have made her debut in Russia and subsequently enjoyed a successful career in Italy, appearing widely in the province as well as at the principal opera houses.Her best role on stage was considered Musetta in Giacomo Puccini's "La bohème", and she sang this part with great success at the Teatro Regio di Parma, Teatro Regio di Torino, Teatro Comunale di Bologna and, notably, the Teatro alla Scala in Milan in 1935.