Both Underoath and All Time Low performed on Warped Tour in 2009, so Alex, Jack, Rian and Zack had Aaron Gillespie come out at multiple dates to play the end of their set-closer, “Dear Maria, Count Me In.” Obviously, the incredibly unique feature was only able to come to fruition when each groups’ daily schedules didn’t intertwine. 

Read more: Aaron Gillespie apologizes for leaving Underoath: “I was mentally sick”

With Underoath returning in 2016, it’s only fitting to take a look back on their dynamic legacy with this little golden nugget of awesomeness.

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