20. (Tie) Cascada, "Evacuate the Dancefloor"; Wilco, "Wilco (the Song)"

You choose -- a group grind at the Eurodisco with knee-high leather boots and Goldschlager shots or a group hug at the backyard barbecue with microbrews and onesies. Hopefully, we all have room for both in our lives.

SONG PICKS AND TEXT BY CHARLES AARON