Jerzy Piotrowski, also known as Keta (born 9 February 1950) is a Polish jazz-rock drummer.
He has played on LPs for many artists, including Czesà Âaw Niemen, SBB, Kombi, Young Power, Pick Up, Krzysztof à Âcieraà Âski, Ireneusz Dudek, Dà ¼em, Martyna Jakubowicz, and Stanisà Âaw Sojka.
He is the author of the textbook Szkoà Âa na perkusjÃÂ. Between 1990 and 1994, he conducted percussion workshops in Puà Âawach. In 1994, he immigrated to the United States.