Need help with getting tabs for song Chava Nagila

I am new to your web site, and understand one needs to walk before one can run, however I am under some time constraints as I wanted to take a shot at playing Chava Nagila with the rented band at my Sons wedding scheduled for May 2016. I did find some introductory tabs on line that really dont sound accurate enough, and are very limited. I tried looking at some sheet music, that I am new to reading, but have not really captured it. Would want to know if there is a resource I could go to that would give me the full range of tabs for the song as well as tell me what key harmonica I would need to use. I would of course be willing to pay for this