Katarzyna "Kasia" Kowalska, born on June 13, 1973, in Sulejówek, Poland, is a Polish rock singer-songwriter, composer, and producer. Her musical journey began in the 1980s as a vocalist for various bands including Human, Fatum, and Talking Pictures. In 1994, she released her debut album Gemini, which achieved triple platinum status with around half a million copies sold. The same year, Kowalska supported Bob Dylan during his concerts in Poland. She won the Grand Prix at the Sopot Festival in 1995. In 1996, Kowalska represented Poland in the Eurovision Song Contest with "Chcę znać swój grzech...", finishing 15th out of 23. Her third album, Czekajac na… (1996), blended rock, funk, and jazz, and was followed by a successful tour. Kowalska's subsequent albums include Pelna obaw (1998) and Antidotum (2002). She won the MTV Europe Music Award for Best Polish Artist in 2001 and was awarded the Gloria Artis Silver Medal for Merit to Culture in 2025.