Each Tuesday we will feature new music that should (or whatever) be on your radar. Standouts: 1. Sia - "some people have real problems": Back in October, we had the chance to see Sia live at the Fillmore. Her press agent emailed us and told us that she was trying out new songs from her upcoming album "some people have real problems." At first, we were kinda bummed; we wanted to hear the music we......