The annual springtime ritual has arrived. Time to listen to :Wumpscut:’s latest work, Siamese, and examine its strengths and weaknesses in comparison with at least 12 other full-length albums. This year’s task is made all the more difficult because Siamese arrives on the heels of last year’s Fuckit and Bunkertor 7 Resample, two highpoints of Rudy Ratzinger’s long music career. So…