Metal From Finland reports:

"STRATOVARIUS vocalist Timo Kotipelto performed for the President of Russia, Dmitri Medvedev, on Monday (April 20th) in Finland. It was a part of presidential dinner held by Finnish President Tarja Halonen in honour of Dmitri Medvedev who is visiting Finland. Timo was accompanied by Matias Kupiainen (Stratovarius), Jani Liimatainen (CAIN'S OFFERING, ex-SONATA ARCTICA) and Kaarti Orchestra."

As previously reported, Stratovarious have premiered their new video clip for the song 'Deep Unknown' - check it our below.

'Deep Unknown' was directed by Owe Lingvall for Village Road Film.

The song can be found on Stratovarius' new album Polaris, which will be released via Edel's new sub-label, earMUSIC, in Europe on May 18th and via Armoury Records (a division of Eagle Rock Entertainment) on May 26th.

Polaris tracklisting: 'Deep Unknown', 'Falling Star', 'King Of Nothing', 'Blind', 'Winter Skies', 'Forever Is Today', 'Higher We Go', 'Somehow Precious', 'Emancipation Suite I: Dusk', 'Emancipation suite II: Dawn', 'When Mountains Fall'.

Stratovarius line-up:

Timo Kotipelto - vocals

Matias Kupiainen - guitars

Lauri Porra - bass

Joerg Michael - drums

Jens Johansson - keyboards

Stratovarius tour Dates:

May

15 - Wolverhampton, England - Wulfrun Hall
16 - Nottingham, England - Rock City
17 - Glasgow, Scotland - Cathouse
18 - London, England - Islington O2 Academy
19 - Manchester, England - Jilly's Rockworld
20 - Dublin, Ireland - Button Factory
22 - Kreuth /Aurich, Germany - Wacken Rocks
23 - Kreuth / Aurich, Germany - Wacken Rocks
24 - Warzaw, Poland - Progresja
29 - Moscow, Russia - CDK MAI
30 - St. Petersburg, Russia - Glavclub

June

6 - Lappajärvi, Finland - Tulivuorirock
7 - Tampere, Finland - Sauna Open Air
13 - Vantaa, Finland - Myötätuulirock
18 - Jämsä, Finland - Himosfestival
19 - Pori, Finland - RMJ Partycamp
21 - Clisson, Finland - Hellfest

July

11 - Vizovice, Czech Republic - Masters of Rock
19 - Aerodrome "Chajka", Kiev, Ukraine - Pro Rock Festival
25 - Lichtenvoorde, Netherlands - Zwarte Cross Festival

September

16 - New York, NY - Nokia Theater
18 - Toronto, ON - Opera House
19 - Quebec City, QC - Imperial de Quebec
20 - Montreal, QC - Medley
21 - Boston, MA - Middle East
23 - Baltimore, MD - Sonar
24 - Cleveland, OH - Peabody's
25 - Mokena, IL - Pearl Room
27 - Winnipeg, MB - Garrick Centre
28 - Regina, SK - The Riddell at University
29 - Calgary, AB - Warehouse
30 - Edmonton, AB - Starlite Room

October

2 - Vancouver, BC - Plaza Club
3 - Victoria, BC - Sugar
4 - Seattle, WA - El Corazon
6 - San Francisco, CA - The Grand Ballroom at the Regency
7 - Los Angeles, CA - Key Club