Over the last two days, the 17 countries competing in the first Eurovision Song Contest semi final on Tuesday 25th May have been rehearsing on stage at the Telenor Arena in Norway. Today, the first half of the participants in the second semi final will take to the stage.

Lithuania, Armenia, Israel, Denmark, Switzerland, Sweden, Azerbaijan and Ukraine will all hold their first technical rehearsals on stage in the 18,000 capacity indoor stadium. They will participate in the second semi final on Thursday 27th May, with ten songs qualifying for the grand final on Saturday 29th May.

As rehearsals get underway, you can follow esctoday.com's coverage from the first two days of rehearsals below:

Watchesctoday.com's firstEurovision Song Contest rehearsal footage herefootage and reviews here:

• Moldova, Russia, Estonia
• Slovakia, Finland, Latvia
• Serbia, Bosnia & Herzegovina
• Poland, Belgium, Malta
• Albania, Greece, Portugal
• FYR Macedonia, Belarus, Iceland

Remember, you can predict the outcome of the semi finaland adapt yourpredictions after seeing the songs rehearsed on stage in Oslo. Click here now to update your predictions in the 2010BigPoll.

Watch the esctoday.com interviews with:

• Moldova
• Estonia
• Slovakia
• Iceland
• Latvia
• Poland
• Malta
• Bosnia and Herzegovina
• Albania
• Greece
• FYR Macedonia