The chant used by Anette Olzon
, lead singer of Finnish symphonic band Nightwish
, to get the audience into songs. It originally started out as simply "HEY!" but it soon morphed into her iconic HEP HEPs!
Formed from the HEP HEPs, there is a HEP HEP Army, which is joined by simply chanting "HEP! HEP! HEP! HEP!" during an appropriate time in a Nightwish