Ed O'Sullivan of Mundelein sifts through the record bins at Hip Cat Music in Wilmette Saturday afternoon during Record Store Day. | Eric Davis~For Sun-Times Media

Jason Gassel (left) of Lincolnwood gets set to pay for his purchases -- Jimi Hendrix's "Electric Lady Land" and "Outlandos d'Amour" by The Police -- from James Cooper, owner of Hip Cat Music in Wilmette during Record Store Day Saturday afternoon. | Eric D

Robert Tanchez of Niles sifts through the record bins at Hip Cat Music in Wilmette Saturday afternoon during Record Store Day. | Eric Davis~For Sun-Times Media

Diane Tanchez, of Niles, keeps an eye out for that special record at Hip Cat Music in Wilmette during Record Store Day on April 21. | Eric Davis~For Sun-Times Media

Customers wait outside of 2nd Hand Tunes in Evanston for a special Record Store Day midnight sale on Friday, April 20, 2012. | Michael Jarecki~For Sun-Times Media

Customers wait outside of 2nd Hand Tunes in Evanston for a special Record Store Day midnight sale Friday. | Michael Jarecki~For Sun-Times Media

Customers look through racks of records and CDs at 2nd Hand Tunes in Evanston for a special Record Store Day midnight sale on Saturday, April 21, 2012. | Michael Jarecki~For Sun-Times Media

Customers wait inside of 2nd Hand Tunes in Evanston for a special Record Store Day midnight sale Saturday. | Michael Jarecki~For Sun-Times Media

Victoria Thied, owner of 2nd Hand Tunes in Evanston, lets the first customer into the store for a special Record Store Day midnight sale Saturday. | Michael Jarecki~For Sun-Times Media

Johnny Balmer (right), owner of 2nd Hand Tunes in Evanston, bags records purchased by Corey Achino of Niles, during a special Record Store Day midnight sale Saturday. | Michael Jarecki~For Sun-Times Media

Adam Ward of Grayslake looks at a MinuteMen record while waiting in line inside of 2nd Hand Tunes in Evanston for a special Record Store Day midnight sale Saturday. | Michael Jarecki~For Sun-Times Media

A customer grabs his recently purchased records at 2nd Hand Tunes in Evanston during a special Record Store Day midnight sale Saturday. | Michael Jarecki~For Sun-Times Media

Neil Rigler of Evanston looks at a Record Store Day list of releases Friday while waiting in line outside of 2nd Hand Tunes in Evanston for a special midnight sale. | Michael Jarecki~For Sun-Times Media

Customers wait outside of 2nd Hand Tunes Friday in Evanston for a special Record Store Day midnight sale. | Michael Jarecki~For Sun-Times Media

Vintage Vinyl record shop owner Steven Kay does some last-minute pricing on albums before his store opens for Record Store Day Saturday morning in Evanston. | Eric Davis~For Sun-Times Media

Vintage Vinyl record shop owner Steven Kay (second from left) takes a phone call as audiophiles mob his store for Record Store Day Saturday morning in Evanston. | Eric Davis ~ For Sun-Times Media

Audiophiles line up outside before the doors open up at Vintage Vinyl record shop in Evanston for Record Store Day Saturday morning. | Eric Davis ~ For Sun-Times Media

Howard Russell of Chicago's Rogers Park neighborhood sifts through the albums at Vintage Vinyl in Evanston Saturday morning for Record Store Day. | Eric Davis~For Sun-Times Media

Northwestern University student Jason Lederman and Kisty Allen of Chicago's Rogers Park neighborhood sifts through albums at Vintage Vinyl in Evanston Saturday morning for Record Store Day. | Eric Davis~For Sun-Times Media

Vintage Vinyl record shop owner Steven Kay, left, has a busy day ahead during Record Store Day in Evanston. Record Store Day took place on April 21. | Eric Davis~For Sun-Times Media