They have just released the lineup for Hiero Day 2016, and it includes:

A-plus vs Architech
Azure
Blu & Exile
Beat Junkies
Butterscotch
Caleborate
Choosey
Da Boy Dame
Davey D
Dilated Peoples
DJ Fresh
D-Sharp
Elujay
G.L.A.M.
Invisibl Skratch Piklz
J Cutt (of APG)
Just Blaze
Juvenile
Larry June
Legendvry
Lyrics Born
Morevibes
Murs
Mikos Da Gawd
Mind Motion
Mr. Lif
Mr. E
Nef the Pharoah
Paris
Peaches Crew
Rexxlife Raj
Risky Bizness Crew
Rocky Rivera
Sahtyre
Sean G
Siri
Skipper
Sleeprockers
The Grouch
The Whooligan
Too $hort
Tri-State & OH NO!
Trill Team 6
Young L

Hosts:

Bambu
D Nas
Chuy Gomez
Supernatural
Luckyiam

Tickets start at $19.93 and are available here.