"Mark Tokar originally studied classical guitar at S. Lyudkevych Music College. During this time he began to play double bass, which became his main instrument.

During 2002-2004 he repeatedly participated in the Krakow Jazz Workshop, directed by M. Parkinson (USA). In 2006, via the "Gaude Polonia" scholarship program, Mark studied at K. Szymanowski Jazz Academy under the direction of Professor Jacek Niedzela. The program was granted by the Minister of Culture in Poland. Since 2006 he has given private lessons at various jazz schools. During 2005-2006 Mark worked as art director of the Ukrainian-Polish Jazz Bez festival. He organized a series of Metro Jazz Philharmonic musical performances in Lviv.

Mark has performed with various bands at numerous festivals in Germany, Poland, Lithuania, USA, Austria, France, Ukraine, Russia, Italy, Hungary, Georgia, Luxembourg, and the Czech Republic. He participates in Ken Vandermark's international project "Resonance". He also plays in the groups Undivided, Five Spot, Four, Varpaj, and Yatoku. Additionally, he is the leader of the international projects Leo'm'art, Mark Tokar's Quintet and Avtokar. Mark Tokar has performed with Ken Vandermark, Bobby Few, Perry Robinson, Steve Swell, Michael Zerang, Tim Daisy, Dave Rempis, Roberta Piket, Fred Frith (USA), Klaus Kugel, Arkadij Shylkloper (Germany), Petras Vishniauskas (Lithuania), Mirchea Tiberian (Romania), Mazzol, Mikolaj Trzaska, Waclaw Zimpel, Piotr Baron, Kazimierz Jonkisz (Poland), Jurij Jaremczuk (Ukraine), Magnus Broo, Per-Ake Holmlander (Sweden), and Mark Sanders (England)."

"Klaus Kugel studied at the School of Jazz in Munich. Since 1989 he attracted attention worldwide through projects with Petras Vysniauskas, Karl Berger, Tomasz Stanko, Charlie Mariano, Kent Carter, Michel Pilz, Theo Jorgensmann, Kenny Wheeler, Vyacheslav Ganelin, Bobo Stenson, Glen Moore, Steve Swell, Sabir Mateen, Robert Dick, Peter Evans, Perry Robinson, Hilliard Greene, John Lindberg, Gerd Dudek, William Parker, Bobby Few, Roy Campbell, Jemeel Moondoc, Waclaw Zimpel, Mars Williams, Charles Gayle, Conny Bauer, Ken Vandermark, Joe McPhee, John Edwards a.m.o..

Over the past 30 years, he gave numerous concerts and appeared at festivals throughout Europe, the Baltic States, Canada, USA, Syria, Japan, Mexico, Russia, China, Ukraine, Azerbaijan and Israel."