Music: Blues Traveler's John Popper, above, is half the man he used to be since he lost 200 pounds but his soulful warble is as robust as ever. The show is 7 tonight at State Theatre in St. Petersburg; $24; (727) 895-3045. Then the creepy yet irresistible ZZ Top will spin their "White Fuzzies" (guitars, not beards) after the Rays take on Kansas City at 6:10 p.m. Saturday at the Trop. Concert is free with game ticket. Toll-free 1-888-326-7297; raysbaseball.com.
Riverdance: The musical that brought Irish step dancing to the world kicks off its "15th anniversary farewell tour" (for real?) at 8 p.m. Tuesday through Thursday at Ruth Eckerd Hall in Clearwater; $50-$70. (727) 791-7400; rutheckerdhall.com.
Sci-Fi Convention: Sci-fi geeks can meet Christopher Lloyd (Back to the Future and Star Trek III: The Search for Spock), Michael Shanks (Stargate SG-1) and William Morgan Sheppard (Star Trek). Starts at 5 p.m. Friday, 8 a.m. Saturday and 10 a.m. Sunday at the Doubletree Hotel in Tampa. $36-$60 (autograph and photo sessions additional). Schedule at vulcanevents.com.
New World Symphony: The Florida Orchestra shows up your high school band version of this energetic favorite by Dvorak. Shows are 8 p.m. Friday at Straz Center in Tampa, 8 p.m. Saturday at Mahaffey in St. Petersburg and 7:30 p.m. Sunday at Ruth Eckerd Hall in Clearwater. $20-$67. Toll-free 1-800-662-7286.
kids and family
Tampa Bay International Dragon Boat Races: The colorful, growing event has dozens of local teams and paddlers from across the United States and Canada. It's free to watch the 450-meter races on the Garrison Channel in Tampa, starting at 9 a.m. Saturday. Bonus! Hit the International Food and Beer Festival from 11 a.m. to 7 p.m. in nearby Cotanchobee Fort Brooke Park. tampabaydragonboats.com.
Sea Grapes: Drink like a fish at this Florida Aquarium fundraiser with more than 100 wines, noshes from 20 bay area restaurants and live jazz. It's 8 p.m. Saturday at the aquarium in Channelside. $95. (813) 273-4030. seagrapes.org.
more to explore
Feel the heat? That means time is running out to find summer camps. Scan the huge list at tampabay.com/thingstodo.