By GREG KOT By Greg Kot Chicago Tribune Bo Diddley, who died Monday at age 79, was as essential to the creation of rock 'n' roll as Chuck Berry, Elvis Presley and Little Richard, though he seldom got the credit or the accolades that were showered on his better-known peers.

By Greg Kot, Chicago Tribune Jan. 11--1. Kevin Saunderson: Along with Juan Atkins and Derrick May, Saunderson was one of the founding fathers of Detroit techno in the early '80s.

By Greg Kot, Chicago Tribune Oct. 26--1. Bob Dylan/Elvis Costello: A pairing of extraordinary songwriters in a three-night residency, with Costello opening each night performing solo. Here's hoping he joins Dylan and his band for a couple of songs. Saturday-Monday at Chicago Theatre, 175 N.

By Greg Kot, Chicago Tribune Oct. 19--A-Trak, Cool Kids, Kid Sister: When he isn't serving as Kanye West's DJ, A-Trak ( 1 )is a nonpareil party-starter, and this should be a terrific showcase for two of Chicago's rising hip-hop stars: MySpace.com phenoms Cool Kids and Kid Sister.

By Greg Kot, Chicago Tribune Oct. 5--1. Bad Religion: These cerebral Los Angeles punks have been fighting the good fight for 25 years, and their latest album, "New Maps of Hell," is a typically fierce evisceration of global stupidity posing as business as usual. Friday at House of Blues, 329 N.