The Eurovision Song Contest is back. Here's how and who to watch

LONDON — The Eurovision party is officially underway: a week of power pop, outrageous outfits — and, inevitably, protests — that culminates in the final of the 69th Eurovision Song Contest on Saturday night.

Competitors representing 37 countries are in the Swiss city of Basel for disco diplomacy and one of the world's biggest spectacles. Organizers say last year's final was watched by more than 160 million people — a guilty pleasure for some, an unabashed joy for others.

Here's how and what to watch:

Where and when is Eurovision?

This year's contest is in Switzerland because Swiss singer Nemo won the contest last year with the operatic anthem ''The Code.'' Basel, which borders Germany and France, was chosen as the host city.

Countries from across Europe — and a few beyond, like Israel and Australia — have sent an act to Eurovision. The performers will take the stage at St. Jakobshalle arena in semifinals on Tuesday and Thursday that will choose 20 acts to go through to the final.

The ''Big Five'' of France, Germany, Italy, Spain and the U.K., along with host Switzerland, automatically qualify for the final.

How to watch

The competition will be aired by national broadcasters in participating nations, on streaming service Peacock in the United States and in many countries on the Eurovision YouTube channel.

Bars and clubs in many European cities will show the final at parties.

Halfdan Helgi Matthiasson, representing Iceland as half of sibling duo VAEB, said his family watches the classic, way, ''sitting on a sofa with popcorn and snacks.''

Croatian contestant Marko Bošnjak said he was usually ''the person who was hosting the Eurovision parties and forcing everybody to give me their scores and papers," adding: ''It's my Olympics. I live for this.''

Adonxs, this year's competitor from Czechia, has fond memories of working in a London pub where staff were body-painted in the colors of a national flag.

''I did get an allergic reaction on my face the next morning, which I did not appreciate,'' he said. ''But yeah, I guess it was worth it.''

How to vote

During and immediately after the semifinals and final, viewers in participating countries can vote by phone, text message or the Eurovision app — but not for their own country. Viewers in the U.S. and other nonparticipating countries can vote online at www.esc.vote or with the app. The combined ''rest of the world'' vote is given the weight of one individual country.

The semifinals are decided by public vote, and viewers can only vote in the semifinal their country is participating in.

For the final, the winner is decided by a complex mix of public voting and points from juries of music industry professionals in all the participating countries. The juries allocate between one and 12 points to their favorite songs, with an announcer from each country popping up to declare which has been granted the coveted ''douze points'' (12 points).

Public and jury votes are combined to give each country a single score. Ending up with ''nul points'' (zero points) is considered a national embarrassment.

Who to watch for

Betting odds make Sweden the strong favorite with ''Bara Bada Bastu,'' an upbeat ode to sauna culture performed by the trio KAJ.

Favorites have tended to win in recent years, but that isn't always the case.

Other strong contenders, according to bookmakers, include classically trained Austrian singer JJ's ''popera'' song ''Wasted Love,'' French singer Louane's ballad ''maman,'' Dutch entry Claude's ''C'est La Vie'' and Israeli singer Yuval Raphael, a survivor of Hamas' Oct. 7, 2023 attack, with ''New Day Will Rise.''

Why are protests likely?

Israel has competed in Eurovision for more than 50 years, and won four times. But last year's event in the Swedish city of Malmo drew large demonstrations calling for Israel to be kicked out of the contest over its conduct of its war against Hamas in Gaza.

More than 70 former participants, including 2017 winner Salvador Sobral from Portugal, 2023 U.K. entry Mae Muller and La Zarra, who competed for France in 2023, signed a letter calling for Israel to be excluded. They noted that Russia has been banned since its 2022 invasion of Ukraine.

The European Broadcasting Union, which runs Eurovision, pointed out that Israel is represented by its public broadcaster, KAN, not the government.

Several of the national broadcasters that fund Eurovision, including those of Spain, Ireland and Iceland, have called for a discussion about Israel's participation.

After tensions ran high last year, with the expulsion of the Dutch contestant over a backstage altercation, the EBU tightened the contest's code of conduct, calling on participants to respect Eurovision's values of ''universality, diversity, equality and inclusivity'' and its political neutrality.

It has barred performers from waving flags, other than national ones, onstage or in other on-camera areas. But some delegations have protested that effectively bans LGBTQ+ pride flags from an event with a huge gay following.

Audience members will be allowed more leeway, however, after controversy last year after a ban on Palestinian flags.

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Associated Press journalists Hilary Fox and Kwiyeon Ha contributed to this story.