Bartosz Kruczyński is a Polish electronic music producer and DJ from Warsaw. He began producing electronic music at a young age and later recorded under several aliases, including The Phantom, Earth Trax and Pejzaż. He also formed the electronic duo Ptaki with Jaromir Kamiński, releasing the album Przelot in 2015. Under his own name, Kruczyński has focused primarily on ambient and downtempo electronic music. His debut album, Baltic Beat (2016), incorporated synthesizers, percussion, guitar and field recordings captured in Poland and Italy. He subsequently released Selected Media 2016–2018 (2018) and collaborated with Poly Chain on Signals (2018). Alongside his recordings under his own name, Kruczyński has continued developing his different electronic projects, creating sample-based music as Pejzaż and club-oriented material as Earth Trax. His Earth Trax releases include LP1 (2020), The Sensual World (2022), Closer Now (2023), Dreams & Whispers (2024), and Everlasting Flame (2026).