Jockey Julie Krone, horse racing's all-time leading female rider, will appear at Lone Star Park at Grand Prairie's opening night, April 15. Krone will participate in a free autograph session when gates open at 4:30 p.m. (CDT). The first live race is 6:35 p.m. (CDT). In addition, she will be the guest of honor at the April 14 "Racing to the Breeders' Cup Party," a fundraising event for the Lone Star Park Charitable Foundation. There also will be post-race concerts by music icons Willie Nelson and The Beach Boys on April 16 and April 17, respectively...The Kentucky Derby Museum announces two new exhibits, and details for its annual gala. Aspiring to Greatness: A History of Churchill Downs Architecture will be on display April 14-Dec. 31, and explores the famous racetrack's architectural history. Items in the exhibit include historic photographs from the Museum's collection, wood from the over 100-year-old Twin Spires and detailed blueprints and architectural drawings showing some of the track's most important construction projects. Welcome Race Fans: Photography of Richard Ross will be open April 21-July 11. The exhibit is presented in partnership with The Speed Art Museum. Photographs were chosen from thoroughbreds a larger body of Ross' work. Richard Ross was commissioned by entrepreneur Brook Smith to do a photographic study of Thoroughbred racing in Kentucky. All the photographs were taken in 2001 and 2002, and they include images from Kentucky's farms, the Keeneland sales and racetracks including, historic Churchill Downs. The museum will also host the 19th annual Kentucky Derby Gala on Saturday, April 24, 2004, in the Infield of Churchill Downs. The gala will be held inside the structure that will serve as a temporary home for Millionaires Row. Tickets include cocktails, dinner, and dancing, and are for $375 per person. Call (502) 637-1111, extension 228 for more information. The Kentucky Derby Museum is located at Gate 1 of Churchill Downs. Admission is $9 for adults, $8 for seniors, $3 for children 5-12, and children under 5 are free...In conjunction with its April 2-23 meet, Keeneland has a number of special promotions. On opening day, Friday, April 2, the track will hold its first Hats Off to Keeneland contest. Judges will award prizes to the top three finishers in various categories. The grand prize-winner will receive a weekend trip for two to Chicago. The week of April 4-11 is the Best of the Bluegrass, which combines the meet's first full week of racing with many events throughout Lexington. For details on the contest and all of the following week's events, visit www.keeneland.com. On April 21 the track will pair up with the local baseball team, the Lexington Legends, to offer the first-ever Daily Double Header. For $3 fans can attend the Legends game, which begins at 10:30. At the game they'll receive a "Daily Double Header" voucher, good for free admission at Keeneland that afternoon. In addition, Keeneland is donating all of its general admission proceeds on that day to the United Way of the Bluegrass. To ensure that the United Way receives the full potential of the gate receipts, Keeneland is making an additional donation to the United Way to cover the general admission fees waived for the baseball fans...A Wild! Night in Texas, the 2004 Breeders' Cup World Thoroughbred Championships "Not Black Tie" Charity Gala, will be Friday, Oct. 29, at the Fort Worth Zoo's Texas Wild! exhibit. George Strait will perform. Proceeds from the gala will benefit the Grayson-Jockey Club Research Foundation and the Texas Wild! Teacher Institute for the conservation and management of wildlife. For more information on this Texas extravaganza, contact Nancy Kelly at The Jockey Club at (212) 521-5305; email@example.com; or Denise Harmon in Ramona Bass' office at (817) 339-7123; firstname.lastname@example.org...Clyde "Butch" Bramble was injured Monday morning after falling from a horse he was exercising during training hours at Turfway Park. Bramble is listed in critical but stable condition at University Hospital in Cincinnati and is scheduled for additional surgery on Wednesday afternoon. Further communication will be forthcoming as additional developments warrant. The Bramble family has requested that all media inquiries be directed to Turfway Park.