Former NIGHTWISH frontwoman Tarja Turunen performed a duet with Jyrki 69 from THE 69 EYES during the 'Idols Tekee Hyvää' live TV broadcast on the Finnish channel MTV3 on Easter Sunday, April 24.

The proceeds of the event, which brought the popular American format 'Idol Gives Back' to Finland for the first time, were being directed to education projects for children and teenagers in poverty-stricken countries such as Haiti and Cambodia.

You can watch video footage of the performance below.

Turunen released a new digital-only single, 'Underneath', on April 22. The three-song single was made available Austria, Switzerland, Russia, Poland, Finland, Sweden, Ukraine, France and U.K. It includes two unreleased versions of the beautiful ballad 'Underneath' plus a non-album track in Spanish language -В 'MontaГ±as De Silencio'.

AsВ previously reported, РўARJA will be performing for her Bulgarian fans in the most special of settings this coming September. TARJA has a show at the Roman Amphitheatre in Plovdiv, where she will be performing with the Plovdiv philharmonic orchestra and choir.

The date is September 21st, the first day of the Sounds of the Ages 2011 - a festival initiated by Ivan Totev, mayor of the region.

The Sounds of the Ages fest strives to become an ongoing annual Summer heavy metal tradition.

The festival's first edition will kick off with a very special performance from Tarja Turunen, presenting her 'Beauty and the Beat' show, with stellar drummer Mike Terrana and a 100+ orchestra and choir.

The show promises to be epic and grand, with amazing lights and sound.

Tickets are to go on sale next week.