In 2021 Harmony4363 saw 13 performances during 2 concerts with 13 bands at 1 venue in 2 locations.

Date Concert Venue Location
Oct 14, 2021 –
Oct 17, 2021
Emo Nite Vegas Vacation
3OH!3 / Avril Lavigne / Captain Cuts / carolesdaughter / Mayday Parade / Mod Sun / Royal & the Serpent / Sleeping With Sirens / The Maine / Aaron Gillespie / Jxdn / Magnolia Park / Story of the Year / Machine Gun Kelly
  Setlists
Las Vegas, Nevada, United States
Aug 07, 2021
Sad Summer Fest 2021
All Time Low / The Maine / The Story So Far / Movements / Grayscale / Yours Truly / Derek Sanders
  Setlists
City National Grove of Anaheim Anaheim, California, United States