2025
2022
2021
2023
Amon Amarth
35 Concerts
Megadeth
53 Concerts
Carcass
18 Concerts
Metallica
22 Concerts
Aborted
1 Concerts
Sylosis
44 Concerts
Slayer
Arch Enemy
Trivium
12 Concerts
Kreator
39 Concerts
SpiritWorld
3 Concerts
Revocation
6 Concerts
Hypocrisy
16 Concerts
GWAR
34 Concerts
Sepultura
19 Concerts
Onslaught
Inhuman Condition will be next performing at The Observatory on Thursday 15 January 2026, and is scheduled to play 2 concerts across 1 countries in 2026.
Pomona,
CA 
