Summer festivals in Berlin

Hi,

My friend and I are staying in Berlin between May and July, and we would like to know about festivals of any kind that will take place while we're there.

Thanks,

Yael

In May theres 'Karnival der Kulturen' during Pfingsten, which is a bank holiday. its a street procession and various live music on stage from around the globe, shows and of course dozens of food and drink stalls..its a hoot!!

theres one in june too, but forget what its called