A weeknight in January: sounds kind of bleak. But on this second Thursday of 2009, two of Seattle's most accomplished electronic-music producers threaten to turn Nectar into a hot, throbbing simulacrum of a bustling club in Berlin. The Sight Below chills with gaseous, pulsating tracks that wed sublime shoegazer rock to subzero techno. Caro (aka Randy Jones) offers a warmer, funkier brand of tech-house, proving that Caucasian instrument/software-inventor types got soul, too. (Nectar, 416 N 36th St, 632-2020. 8 pm, $8, 21+.)