Basia Trzetrzelewska, known simply as Basia, is a Polish singer-songwriter and producer known for her distinctive smooth jazz and pop style. She gained international fame in the 1980s as a member of the British band Matt Bianco, before launching a successful solo career. Her debut solo album, "Time and Tide," achieved platinum status, featuring a blend of pop tunes with Latin and jazz influences. Basia's voice, notable for its wide range and clarity, has been a significant factor in her enduring appeal and influence in the smooth jazz sub-genre.