KISS and Rolling Stones Stars for Alzheimer's

KISS is offering up 4 front row tickets to see them perform at any upcoming show and the chance to meet the band backstage, including Gene Simmons, Paul Stanley, Eric Singer and Tommy Thayer. Proceeds will benefit Artists for Alzheimer's. Bidding is open through June 15, with an estimated value of $4,000, here:

Also to benefit Artists for Alzheimer's, Keith Richards and Mick Jagger are auctioning off a guitar signed by them both, valued at $5,000 here

Country star Tim McGraw is raising funds for a cause close to his heart � The Liberty Hill Foundation - by auctioning two VIP passes to a private pre-show acoustic concert and any summer 2011 concert of the winner's choice, with the chance to meet McGraw backstage.

He's joined by artists including Elvis Costello and Katy Perry, who have also donated experiences to support the organization, which fights for social justice in the Los Angeles area. Bidding is open through May 25 here