After winning the talent show Zalef signed a contract with BMG Poland. In 2004 released their debut album. Then he decide, for almost one decade, break his solo career. During this time he played with a famous polish artists such as Brodka, Nosowska or Muchacha and Japoto.
Zalewski returned to the solo career in 2013 with album "Zelig." His songs are real challenge for popular music. Zalewski's compositions are surprising for the audience because they are incredible mature and deep. Currently Zalef is working on the next album.