Garth Hudson, the Band’s virtuoso keyboardist and all-around musician who drew from a unique palette of sounds and styles to add a conversational touch to such rock standards as “Up on Cripple Creek,” “The Weight” and “Rag Mama Rag,” has died at age 87. Musician Garth Hudson poses in Toronto on Tuesday, Nov. 2, 2010. (Nathan Denette/The Canadian Press via AP)(AP) Hudson was the eldest and last surviving member of the influential group that once backed Bob Dylan. His death was confirmed Tuesday by The Canadian Press, which cited Hudson’s friend, Jan Haust. Additional details were not immediately available. Hudson had been living in a nursing home in upstate New York. A rustic figure with an expansive forehead and sprawling beard, Hudson was a classically trained performer and self-educated Greek chorus who spoke through piano, synthesizers, horns and his favored Lowrey organ. No matter the song, Hudson summoned just the right feeling or shading, whether the tipsy clavinet and wah-wah pedal on “Up on Cripple Creek,” the galloping piano on “Rag Mama Rag” or the …