Dolly Parton has called on comedian Bob Hope and two country singing groups to perform at the sixth annual grand opening weekend of Dollywood, her Pigeon Forge, Tenn., amusement park.

This year's festivities, scheduled for April 27-28, will feature Alabama, four-time Academy of Country Music award-winners, and The Oak Ridge Boys along with Hope.During the jamboree Parton will unveil Dollywood's newest attraction, Eagle Mountain Sanctuary, which showcases the largest presentation of non-releasable bald eagles to be found in the United States.