The Oleś Brothers, twin siblings Marcin and Bartłomiej Oleś, are twin brothers born on January 4, 1973, and are renowned figures in the world of free jazz and avant-garde music. Marcin, a virtuoso on the double bass and accomplished composer, pairs seamlessly with Bartłomiej, known as "Brat," who excels as a drummer, composer, and music producer. Together, they have been hailed as one of the greatest treasures of Polish jazz in the 21st century, earning them a place among the most respected artists on the contemporary jazz scene. Their collaborative works, such as the album "Spirit of Nadir," showcase their innovative spirit and deep musical chemistry. The duo is known for their dynamic performances and groundbreaking compositions, making them a must-see for any jazz enthusiast.