The Aussie rockers' eight-country stadium tour starts in the U.K. on June 8, where they'll be backed by Offspring and Megadeth. (Rest of tour continues through June 24.) Milton Keynes, England.

It may be overambitious for Hultsfred to call its main stage Hawaii. But this three-day bash in rural Sweden (June 14-16) does enjoy almost round-the-clock sunlight and a stellar list of international acts — Limp Bizkit, the Manic Street Preachers and Aimee Mann — plus local artists such as Håkan Hellström. Hultsfred, Sweden. www.rockparty.se

The spotlight of this year's fest (June 14-17) is on world music, starting with Moroccan gnaoua. Essaouira, Morocco. www.festival-gnaoua.co.ma

Eire's biggest dance party (June 23) has OutKast, plus Fatboy Slim, the Chemical Brothers, Goldie and Beck. Dublin, Ireland. www.cream.co.uk

Organizers at Denmark's megafest (June 28-July 1) have banned crowd surfing and tightened security after eight fans were crushed to death during a Pearl Jam performance last year. Roskilde 2001 has the Cure's only appearance of the summer. Bob Dylan and Robbie Williams will also play. Roskilde, Denmark. Tel: +45 4636 6613; www.roskilde-festival.dk n T/W ROCK WERCHTER The lineup includes Fun Lovin' Criminals, Sting, Stereophonics and David Gray (June 29-July 1). Werchter, Belgium. www.rockwerchter.be This year the festival (July 6-21) celebrates its 35th anniversary with a program that includes Herbie Hancock, B.B. King and Celia Cruz as well as P.J. Harvey, Talvin Singh and Beck. Montreux, Switzerland. www.montreuxjazz.com

It's a homecoming party on July 7 for Oxford's Radiohead and Supergrass. Oxford, England. www.radiohead.com

The "Portuguese Woodstock" (July 13-15) welcomes Neil Young, Ben Harper and Beck. Vilar de Mouros, Portugal. www.vilardemouros.com

Jazz fills this medieval village in southwest France Aug. 2-15. Joining Marciac regular Wynton Marsalis are Diana Krall and the Afro-Cuban All Stars. Marciac, France. www.marciac.com

NME calls the two-city line-up "an embarrassment of riches." After three days (Aug. 24-26), concertgoers will have heard acts including Eminem, Travis and Marilyn Manson. Reading and Leeds, England. www.meanfiddler.com/readingfestival