Dear Professor, Dear Colleague, Dear Irena,

July 5th is an important date - the day of the wonderful jubilee of your birthday. We try to remember your extraordinary biography, characterized by fantastic energy, dynamics of events and cheerfulness. Congratulations on your wonderful scientific and teaching achievements as well as your successes at countless musicological congresses, sessions and symposiums around the world. And we envy your unchanging liveliness and humor. We wish you many more happy days among us.