Every Sunday from mid-September to the end of June, the Vienna Boys' Choir performs Sunday mass in the Hofburg Chapel at 9.15 am. You can get tickets for this directly from the Hofmusikkapelle, tel. +43-1-533 99 27, e-mail: office@hofmusikkapelle.gv.at On Fridays, the Vienna Boys' Choir gives concerts at the MuTH (Music THeater), starting at 5.00 pm. You can get tickets from MuTH, tel. +43-1-347 80 80, E-Mail: tickets@muth.at