From 1994–1998 he took part in courses, seminars, symposia which were led by famous conductors and representatives of the world chorale groups such as Prof. Heinrich Poos from Frankfurt on Main, Dr Hans Jaskulsky from Conservatoire in Bochum, Dr Hayashi Hikaru from the University in Tokyo, Uwe Gronostay from the Philharmonic Hall in Berlin, Prof. Tatsuya Muratani from Tokyo.
Janusz Korczak | Janusz Kusociński | Janusz Radziwiłł | Janusz Radziwiłł (1612-1655) | Janusz Tazbir | Janusz Różycki | Janusz Kurtyka | Janusz Centka | Janusz A. Zajdel Award | Janusz Zajdel | Janusz Witwicki | Janusz Spyra | Janusz Skumin Tyszkiewicz | Janusz Radziwiłł (1612–1655) | Janusz Minkiewicz's | Janusz Minkiewicz | Janusz Magnuski | Janusz Liberkowski | Janusz III of Masovia | Janusz Gortat |