picking a piece

[playing4one]

I have just joined(like yesterday)piano street, and they sent me the e-mail where I get one free pick of the gold membership pieces.  I need advice about what to  pick!!!  I would love I piece by Bach or Beethven, but it doesn't have to be them. I play levels 4-8.  I am having a hard time because everything I am familliar with I have the music for, and I can't hear the whole song being played because I don't have gold.  Thanks SOOO much for your help!!!!