Some of country music's heavyweights are singing the praises of Tammy Wynette, who died this week at age 55.

Dolly Parton, Loretta Lynn, Lorrie Morgan, Randy Travis and the Oak Ridge Boys were singing at a memorial service in Nashville, Tenn., Thursday for the "first lady of country music." The service, scheduled to run into the evening, was at the Ryman Auditorium, former home of the Grand Ole Opry.Wynette, whose long string of hits includes "Stand By Your Man," died Monday at her home of a blood clot in her lungs.

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ADDITIONAL INFORMATION

Birthdays: For Thursday, April 9

Country singer Hal Ketchum 45

Actor Dennis Quaid 44

Golfer Severiano Ballesteros 41

Actress-model Paulina Porizkova 33