4x10 Full performance of THAT song. You (probably) know the one.

[godlizza]

Click to view

I counted the seconds and it isn't completely accurate because sometimes the shots switch from Kurt and Blaine to random skaters and vice versa before a full second has gone by but the breakdown is generally this:
Random skaters: ~29 seconds
Kurt, Blaine: ~52 seconds
Burt: ~7 seconds.

iTunes link to buy the full song.