Moments ago, the whole Hot 97 staff took to the airwaves to announce the mega lineup for this year’s Summer Jam concert at the MetLife Stadium, going down one month from today, June 3rd! Hit the jump to find out who will be there, and click here to see who will be on the pre-show stage! And of course there will be plenty of surprise guests throughout the show as well! Cop tix here. Marisa Mendez