Mark your calendars for these upcoming concerts:

POP/ROCK: American Idols Live 2009

Saturday, August 15. Blue Cross Arena, 1 War Memorial Square. 7 p.m. $37.50-$66.50. 232-1900, bluecrossarena.com.

INDUSTRIAL ROCK: KMFDM, Angel Spit

Sunday, September 27. Water Street Music Hall, 204 N Water St. 8 p.m. $20-$24. 232-1900, waterstreetmusic.com.

HARDCORE HIP-HOP: Insane Clown Posse

Tuesday, October 20. Main Street Armory, 900 E Main St. 6:30 p.m. $25-$28. 232-1900, ticketmaster.com.