VIENNA, Austria — Josef Greindl, whose bass voice graced some of the best operas from Salzburg to New York in a 50-year singing career, died April 16 . He was 80.Greindl died in Vienna of a heart condition, his family said. The Munich native was most noted for his work in Richard Wagner’s operas. His Wagner debut came in 1936 as Hunding in the opera “Die Walkuere.” He was especially known for “The Flying Dutchman” and “Goetterdaemmerung,” the final opera of Wagner’s “Ring Cycle.” Greindl last performed in Germany in 1984, the Austria Press Agency said. He had been a member of the Vienna State Opera since 1956. … Chuck Waters SAGINAW, Mich. (AP) — Chuck Waters, a host of children’s programs on WNEM-TV , Saginaw, Mich, from 1958 to 1976, died April 25. He was 70. Waters created the character Captain Muddy Waters, who interviewed youth groups and gave away gift certificates in between cartoons. The “Captain Muddy” show lasted about 10 years before giving way to “Hoss ‘n’ Stuff,” another after-school program. Waters was its host until 1976. He remained with WNEM as an announcer and weatherman until his retirement in 1988.