It’s not exactly a concert, but it’s still worth informing you that author David Rees will be at Valentine’s tonight (Thursday) to demonstrate artisanal pencil sharpening (432-6572). . . . Snow-haired rocker Leon Russell will be at the Egg tomorrow (Friday) with former vice presidential candidate Jonathan Edwards (8 PM, $29.50, 473-1845). . . . Mali’s “Festival in the Desert” comes to the Sanctuary for Independent Media on Friday as Caravan for Peace (5:30 PM, 272-2390). . . . The folks at WEXT will celebrate their sixth birthday at Valentine’s on Friday with Sgt. Dunbar and the Hobo Banned (432-6572). . . . Paranoid Social Club will share the stage with Best Rock Band Wild Adriatic on Friday (9 PM, $10, 584-8066). . . . Ask your kids who Big Time Rush are, then go take them to SPAC on Saturday (584-9330). . . . It’s gospel night in Schenectady on Sunday with Maria Muldaur and the Campbell Brothers playing the Music Haven stage (7 PM, free, 382-5152). . . . Hey, bro, O.A.R. are at SPAC again on Sunday (6:30 PM, 584-9330). . . . Space cowboy Steve Miller is at Tanglewood on Monday (7 PM, $25.50-$79.50, 888-266-1200). . . . Robert Eric will do his best Billy Joel Impression Wednesday night at Rockin on the River (5 PM, free, 279-7997).