Irishman Johnny Logan won Eurovision in 1980 and 1987 and also won once as a songwriter. Swedish-born Helena Paparizou won for Greece in 2005, and Lordi won for Finland in 2006.
Together with Alessandra (fifth for Norway 2023), Guy Sebastian (fifth for Australia 2015), Katrina (winner with Katrina and the Waves for the UK 1997) and Verka Serduchka (second for Ukraine 2007), they will visit ten European cities to celebrate the music competition's 70th anniversary this year, according to a press release.
The tour ends on July 2 at the Avicii Arena in Stockholm.
"Selected stars" from this spring's finale in Vienna and "surprise artists" will also be on the tour.
