The Quadriclavio choir is an artistic reality consolidated in the Bolognese music scene, has participated in various musical initiatives with the interpretation of pieces of sacred ancient and contemporary music, the preparation of operas and the execution of the greatest international masterpieces of classical repertoire and baroque.  Among the most prestigious performances there is the great Mass in B minor and the Magnificat by JS Bach, the Requiem Mass in D minor K 626 by WA Mozart, the Ninth Symphony by Beethoven, the Stabat Mater and the Petite Messe Solennelle by G. Rossini , the Requiem by G. Verdi (performed both with other choirs and in single training), Carmina Burana by C. Orff and the Mass for Rossini by various authors performed for the first time in Bologna together with the choir of Santa Maria dei Servi Music Chapel in Bologna.   The choir has also participated in various musical events, such as the performance of operas (La cenerentola by Rossini,  L’elisir d’amore by Donizetti, La bohème by Puccini, La traviata by Verdi, Cavalleria Rusticana by Mascagni), as well as the performance of previously unreleased works of contemporary sacred music on the occasion of the 25th aniversary of the death of Cardinal Lercaro, in the presence of the Bishop of Bologna, Cardinal Biffi.