Walk the Moon, Timeflies and more at Back to the Brook 2015

Justin Love, above, was the first performer of the night. He performed original songs. KRYSTEN MASSA/THE STATESMAN

Lead singer of In Loving Memory, Naveed Stone, during the band's set before Timeflies. KRYSTEN MASSA/THE STATESMAN

Vito Racanelli (above, left) and Jon Conway are both guitar players for the band In Loving Memory. KRYSTEN MASSA/THE STATESMAN

Wolfie, above, made an appearance before the show started to help shoot t-shirts into the crowd. KRYSTEN MASSA/THE STATESMAN

Students get ready to catch Back to the Brook t-shirts. USG usually only makes shirts for the Brookfest concert in the spring, but this year, it had shirts to give out to students. KRYSTEN MASSA/THE STATESMAN

Cal Shapiro, above, is the lead vocalist for the duo Timeflies. The group formed in 2010 and is known for its YouTube covers and original music. KRYSTEN MASSA/THE STATESMAN

Rob Resnkick, above, works the turntables for the group Timeflies. KRYSTEN MASSA/THE STATESMAN

Nicholas Petricca, above, the lead singer of Walk The Moon, created the band back in 2008. KRYSTEN MASSA/THE STATESMAN

Nicholas Petricca played on the drums during his performance. KRYSTEN MASSA/THE STATESMAN

Kevin Ray also sings back up vocals for the band. KRYSTEN MASSA/THE STATESMAN

Eli Maiman (above, left) and Nicholas Petricca. Maiman is the guitar player for the band and Petricca is the lead vocalist who also plays the keyboard. KRYSTEN MASSA/THE STATESMAN

Students on the floor during this year's Back to the Brook. There were still floor tickets available the day of the concert. KRYSTEN MASSA/THE STATESMAN

Although the concert was not sold out, there was a big crowd for this year's Back to the Brook. KRYSTEN MASSA/THE STATESMAN

The Spirit of Stony Brook Marching Band came out for a surprise performance. The marching band performed the song "Shut Up And Dance" with Walk The Moon. KRYSTEN MASSA/THE STATESMAN