Recover Microsoft Account

Hi, I created an Xbox Live account several years back, in 2007-2008 I believe.  I cannot remember what email address I have associated with that account.  I also have not used it since 2007-2008.  I recently purchased an Xbox 360 and would like to use that Gamertag and sign up for Xbox Live Gold.  I created a new account under my current email address: (removed, just realized this is public).  I also have a Gamertag associated with this account, but I would prefer to have my original one back.  My original gamertag was: (removed, just realized this is public).