Listen to "Tau Dem Nam Cu"
Listen to "Hinh Bong Cu"
Get it all here.
This is Holy Fucking Shit-level pop, the kind of music you'll take one listen to and wonder who the evil motherfuckers are who have kept you from experiencing it for so long.
Everything I know about Thanh Thúy, along with an earlier recording (with some fabulous guitar work) is in this post. I'll be upping a third recording tomorrow, so stay tuned.