Private services will be held for Richard [Two Ton] Baker, 59, Chicago area pianist and singer, who died Sunday in his home at 17118 Whitman Av., Hazel Crest. The 350-pound Chicago-born entertainer began his career on the night club circuit in 1938,. Later, he became a disk jockey on radio station WJJD, and conducted his own musical program on WGN. During the l950s he had a children's television program in the WLS studios. He leaves his widow, Ruth; a son Richard Jr.; and a daughter, Deborah Lynn.