The Austrian music duo Abor & Tynna consists of siblings Attila and Tünde Bornemisza. Attila was born in Vienna in 1998, his sister Tünde on December 22, 2000, also in Vienna. Growing up in a musical family, their father, Csaba Bornemisza, has been a cellist with the Vienna Philharmonic Orchestra since 1993. Both siblings learned classical instruments at an early age; Tünde plays the flute and Attila the cello. In addition to their musical training, they study mechanical engineering and psychology. in 2016, Abor & Tynna record their first song together and move musically between pop, hip-hop and electronic music. in 2024, they perform as the support act at the opening of Nina Chuba's Glas Tour in Bremen. On January 14, 2025, they released their debut album Bittersüß, which reached number 37 in the German album charts. The singles "Coco Taxi" (2023), "Plattenpräsident" (2024) and "Baller" (2025) are taken from this album, with the latter reaching number 13 in the German singles charts. With the song "Baller", they successfully apply for the German preliminary decision Chefsache ESC 2025 - Wer singt für Deutschland? for the Eurovision Song Contest. On March 1, 2025, they win the televoting with 34.9 percent of the votes and represent Germany at the ESC on May 17, 2025 in Basel.