DAY TK, August TK, TK PM, House of Blues, 329 N. Dearborn; 312-923-2000 or 312-559-1212. Art accompanying story in printed newspaper (not available in this archive): photo/Carlos Amoedo.

The Ultraworld raves that periodically shake, rattle and throb the D.C. Armory emphasize orgiastic dance-floor rhythms like those of this Saturday's headliner, Paul Van Dyk. To judge from recent ...

Dozens of electronic music fans from Harvard and the Greater Boston Area filed into the Adams Lower Common Room on Feb. 20 to hear a talk from German trance music legend Paul van Dyk.