Over 50 musicians, sports figures and entertainment organizations have come together to raise money for the Leukemia and Lymphoma Society (LLS) through a special eBay auction that began this past weekend. Carrie Underwood, Miranda Lambert, Eric Church, Josh Thompson, Dierks Bentley, Chris Young, Darius Rucker, Keith Urban, Lady Antebellum and Jason Aldean are among the country celebrities who have handed over special items for the benefit. Fans have until May 7 to purchase items in the second-annual auction. Bidding will come to an end at 7 PM ET on Monday.

Other artists donating items to the cause -- and there are many -- include Alabama, Alan Jackson, American Music Awards, BarlowGirl, Billy Currington, Buckcherry, Bucky Covington, Buffalo Sabres, Charlie Daniels, Country Music Association, Craig Morgan, Doug Johnson, Emmylou Harris, George Strait, Grand Ole Opry, Hunter Hayes, Jake Owen, Jamie McMurray, Jars of Clay, Jerrod Neimann, Johnny Cash, Kellie Pickler, Leann Rimes, Lee Brice, Little Big Town, Lorrie Morgan, Luke Bryan, Montgomery Gentry, NeedToBreathe, Pam Tillis, Rascal Flatts, Ronnie Dunn, Sara Evans, Shania Twain, Sound Stage, Taylor Swift, the Band Perry, Third Day, Thompson Square, Trey Anastasio and Wynonna.

The Leukemia and Lymphoma Society (LLS) is the world's largest voluntary health agency dedicated to blood cancer. It was designed to find the cures for leukemia, lymphoma, Hodgkin's disease and myeloma, and help improve the quality of life of patients and their families. For more information on the organization or to donate to the cause, visit the LLS official website here.