The choirs are invited to perform regularly with eminent artists, including José Carreras, and with other important ensembles and orchestras around the world.

[1] Boni Pueri has been privileged to perform in some of the world's great concert halls including Grace Cathedral in San Francisco, Winspear Centre in Edmonton, Alberta, Canada, the Tokyo Bunka Kaikan, Seoul Arts Centre, Concertgebouw in Amsterdam, De Doelen in Rotterdam, Basilica di S. Maria Maggiore in Bergamo, Italy, Meistersingerhalle in Nuremberg, and the Rudolfinum Dvořák Hall in Prague.

In July 2004, Boni Pueri became the first European organization to host the highly acclaimed World Festival of Singing for Men and Boys and did so again in 2008.

Individual members of Boni Pueri are often invited to be soloists in other performances, including The Magic Flute at the Teatro dell'Opera di Roma in 2004.

Other important projects of recent years have included performances of Bach's St Matthew Passion, the Mozart Requiem, the Fauré Requiem, a theatrical staging of Hans Krása's Terezín children's opera Brundibár, and a premiere recording of music by the baroque composers Johann Caspar Ferdinand Fischer, Pavel Josef Vejvanovský, and Jan Dismas Zelenka.