Huun Huur Tu, Хүн Хүртү, translated as sun propeller, is a group of singers from Tuva who have been bringing the music of their region to the outer world. They bring it to Portland tonight. Tuvan throat singing establishes a resonance which allows the singer to sing more than one note simultaneously. If you enjoy the diversity of music the world offers, you will find a jewel tonight, amid a sizable community of Portland enthusiasts. Huun Huur Tu at the Alberta Rose Theater 3000 NE Alberta. Doors 7PM, show 8. 7:00 $25 advance, $28 door