50 years later, the Mamas and the Papas' 1965 hit "California Dreamin'" is still a stirring, moody piece of pop perfection. In this cover by Sia, off the soundtrack for the upcoming Dwayne Johnson drama San Andreas, the song gets a big, booming, orchestral spin before taking an electro turn. Goddamn, her voice. Listen below. 50 years later, the Mamas and the Papas' 1965 hit "California Dreamin'" is still a stirring, moody piece of pop perfection. In this cover by Sia, off the soundtrack for the upcoming Dwayne Johnson drama San Andreas, the song gets a big, booming, orchestral spin before taking an electro turn. Goddamn, her voice. Listen below.