Cellist (and hottie) Alexandra Lawn of Ra Ra Riot.Calling cellists, violists, violinists, and string bassists of all ages and skill levels. In an attempt to break the Guinness World Record for the largest string ensemble to play under a single room, Lake Washington School District is looking to gather 250-plus players to perform Deep Purple’s classic “Smoke on the Water.”Spring Jam ’10 takes place at 7 p.m. on Saturday, April 10 at Juanita High School. Players must register here by Wednesday, March 31 to participate. Admission is $5-$15, depending on whether you’re a student, spectator, or performer. The proceeds benefit Lake Washington School District’s orchestra programs.Can’t play “Smoke on the Water?” Here’s the main rift, courtesy of Wikipedia. Get practicing!