Pauline Lebbe performed in several choirs for many years and is familiar with oratorio and choir repertoire. She worked together with René Clemencic, Erik Van Nevel, Huub Ehlen, Roberto Zarpellon and Roberto Belloni.
Opera is Lebbe's passion. She performed Anita in Giuditta by Léhar, in a production by MinTh. In 2018 she will cover the role of Fiordiligi in Mozart's Così fan tutte for Midsummer Mozartiade. She sang the role of First Lady in The Magic Flute of W.A. Mozart in Belgium and the Netherlands, with the company Opera Avanti. Earlier she sang Mrs. Grose in the opera The Turn of the Screw by B. Britten, in productions in the Conservatories of Leuven and Ghent. Since 2015 she has participated in productions of The Opera House in Brussels as a member of the MM Academy and as a supplementary choir member.
As part of her master's thesis, Pauline Lebbe has immersed herself in the Belgian song repertoire on texts by Belgian symbolist authors. Since September 2017 she has been conducting research into the Flemish Song at the Flemish Music Study Center. Finally she is also cantor in the chapel of the Leo XIII seminar in Leuven.