For something a little different, swing by the Coach House downtown for a lively performance by Claremont-based metal band Sloth, named after Artsweek’s favorite of the deadly sins. So, break out your devil horns, cuz it’s rare to get a good metal show in this neck of the woods. The Coach House is located at 110 Santa Barbara St., downtown. Tickets are $12 and the show starts at 9 p.m. In case you don’t feel the power of the sloth, come down to Silvergreens tonight to celebrate student artists, as well as steal some delish grub. Titled “Les