Primus bassist/vocalist Les Claypool has put the finishing touches on a new solo album, "Of Whales and Woe," due May 30 via his own Prawn Song label. The follow-up to 2002's "Purple Onion" was recorded in Claypool's home studio and features contributions from percussionist Mike Dillon, saxophonist Skerik and Gabby La La on sitar.