Giordano Dance Chicago, America's original jazz dance company,  presents their spring engagement at the Harris Theater for Music and Dance, 205 E. Randolph St. at 7:30 p.m. on Friday, April 5 and Saturday, April 6. The program will feature the world premiere of  “Gershwin in B,” a one-act extravaganza by Emmy Award-winner Al Blackstone ("So You Think You Can Dance") and the world premiere of “unconditional” a pas de deux by GDC Company Dancer Adam Houston. Selections from GDC’s repertoire complete the program. Tickets are $20-$90. For more information on these and other GDC events visit giordanodance.org.