Have I deleted all my music for good?

Hi,

I had some issues with the iTunes downloading the tracks for the 3rd time so I decided to delete them and re-download them again. I I think I my have done it a bit too far. Cause now when I open my iTunes - "bought" there’s is nothing to download? I checked albums I bought, there's "purchased" sing where the "buy - price" usually is. So I hope it's not crashed completely... Help! Please!