"For 27 years, Dervish has been trotting the music of Ireland out to all corners of the globe. Through the years, these lifelong friends have grown to specialize in both rousing and rollicking dance numbers and gentle and lilting versions of traditional Irish songs. Catch Dervish as part of Fermilab's Arts & Lecture Series. Ramsey Auditorium at Fermilab, Kirk Road and Pine Street, Batavia. $28; $14 for ages 18 and younger. (630) 840-2787 or fnal.gov. 8 p.m. Saturday, March 12"