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'Great Performances' highlights opera trailblazer Birgit Nilsson

Great Performances "Birgit Nilsson"

On Sunday, March 31, at 2 p.m., celebrate the life of Swedish soprano Birgit Nilsson, the face of opera from the 1950s-70s.

PBS KIDS specials featuring Curious George, Sesame Street airing in March

Get ready for a springtime adventures with Curious George and your 'Sesame Street' friends this March.

'Frontline' examines controversial newsmakers

Investigate news and newsmakers this spring on Arizona PBS.