Susan Haig, associate conductor of the Florida Orchestra, has an eclectic weekend on the podium. Today, she leads a love-themed coffee concert program that ranges from the Prelude und Liebestod from Tristan und Isolde to the theme from Love Story; 11 a.m., Mahaffey Theater, $17-$21. Friday, the program covers concert music used as cartoon themes Hungarian Rhapsody, William Tell overture, Ride of the Valkyries, etc.; 7:30 p.m., Coliseum, $18 (children under 12 half price). Sunday, Haig and the orchestra perform selections from Oklahoma!, Jurassic Park, La Boheme and others; 7 p.m., Lowry Park, free. (813) 286-2403 or toll-free 1-800-662-7286; www.floridaorchestra.org