Johan Erik Nylander is a Swedish jazz musician (drums), improviser and composer, working in Norway since 2002. He plays in several bands, among them Ola Kvernberg Trio, "Kobert", Kirsti Huke Quartet, Tore Brunborg Trio, "Liarbird", Bjørn Alterhaug Quintet, "Peloton", Juxtaposed, Magic Pocket, "Monoswezi", and his own Erik Nylanders Orkester.

Ola Kvernberg is a Norwegian jazz musician known for his virtuosic string swing violin playing and his international performances. He is the son of traditional musicians Liv Rypdal Kvernberg and Torbjørn Kvernberg, and the brother of traditional musicians Kari Kvernberg Dajani and fiddler Jorun Marie Kvernberg, and grandson of the fiddler and traditional music composer Peter L. Rypdal. Kvernberg studied classical violin from the age of nine, and won 3rd prize in a great classical violin competition in Italy when he was fourteen.