Sylwia Karolina Grzeszczak, born on April 7, 1989, in Poznań, Poland, is a Polish singer, composer, and songwriter. She began her musical journey at a young age, participating in the television show Od przedszkola do Opola and later attending the H. Wieniawski State Music School, the M. Karłowicz Secondary Music School, and the Fryderyk Chopin State Music School in Poznań, where she studied piano and violin. Grzeszczak's breakthrough came in 2004 when she won the singing competition Drzwi do kariery. She gained further recognition through collaborations with various artists, including her debut album Ona i On (2008) with rapper Liber, which reached number 27 on the Polish album charts. Her second studio album, Sen o przyszłości, released in 2011, achieved significant success, reaching Number 1 on the Polish album charts. The album's lead single "Małe rzeczy" topped the Polish singles chart for eight consecutive weeks and won the VIVA Comet award for Hit of the Year in 2012.
