Estonian blues-rock band Ultima Thule have withdrawn from Eesti Laul 2023, as the band and fans mourn the Nov. 20 death of lead singer and guitarist Riho Sibul, 64. The band had initially planned to collaborate with fellow rock band Wiiralt on the song “Salalik” (Secretive). Wiiralt have agreed to stay in the competition on their own, but if they …