Grammy-winning pianist Hargus “Pig” Robbins, whose long list of collaborators included Dolly Parton, Loretta Lynn and Bob Dylan, has died at age 84. The country musician died in his sleep early Sunday morning, his family announced in a post on Robbins’ Facebook page. “Dad had been hospitalized twice in the last 2 months. He suffered from a bacterial infection in his bloodstream, kidney disease, heart disease etc,” the announcement reads. “It all became too much for his body to handle. But he had a strong mind til the end. He had a great life and was loved by many.” The Tennessee-born Robbins, …