Tesla crash with no one driving leaves 2 dead NASA's Mars helicopter Peloton Tread Plus warning Marvel's Shang-Chi trailer Apple's April 20 event Child tax credit's monthly check

Calexico, 'Two Silver Trees': Free MP3 of the Day

On "Carried to Dust," old Southwest dirges cross-bred with a particularly dark and brooding folk-pop. Download a free MP3 of "Two Silver Trees" courtesy of CNET Download Music.