Just some bands that I think you should check out at Bloodstock (not including the headliners)
Thursday
Tragedy
Oaf
Bull Riff Stampede
Friday
RJD Stage
Death Angel
Municipal Waste
Voivod
Accept
Sophie Lancaster Stage
Absolva
Cypher 16
Xerath
Saturday
RJD Stage
Stormbringer
Beholder
3 Inches Of Blood
Hell
Gojira
Sabaton
Avantasia
Sophie Lancaster Stage
Vanderbuyst
Neonfly
Powerquest
Jagermeister Stage
The Earls Of Mars
Incassum
Sunday
RJD Stage
Sacred Mother Tongue
Amorphis
Exodus
DevilDriver
Sophie Lancaster Stage
Grifter
RSJ
Evil Scarecrow
Breed 77
Wolfsbane
New Blood Stage
Fury
Jagermeister Stage
Andy James
Phil Campbell's All Star Band
Thursday
Tragedy
Oaf
Bull Riff Stampede
Friday
RJD Stage
Death Angel
Municipal Waste
Voivod
Accept
Sophie Lancaster Stage
Absolva
Cypher 16
Xerath
Saturday
RJD Stage
Stormbringer
Beholder
3 Inches Of Blood
Hell
Gojira
Sabaton
Avantasia
Sophie Lancaster Stage
Vanderbuyst
Neonfly
Powerquest
Jagermeister Stage
The Earls Of Mars
Incassum
Sunday
RJD Stage
Sacred Mother Tongue
Amorphis
Exodus
DevilDriver
Sophie Lancaster Stage
Grifter
RSJ
Evil Scarecrow
Breed 77
Wolfsbane
New Blood Stage
Fury
Jagermeister Stage
Andy James
Phil Campbell's All Star Band