Passions always run high when England come into town, and this can come out in the national anthems, most notably in Croke Park in 2007. That isn't the only time that Irish players get passionate at anthem time, as this gallery shows.
Keith Wood and Eric Elwood in 1998
The Irish Women in 2007 v England
The Irish U19s in the World Cup in 2007
Luke Fitzgerald giving it socks against Argentina in 2008
It was always emotional for John Hayes...
Rob Kearney gets stuck in
Irish fans get behind the team in Rome in 2007
Eyes Closed Passion and Gritted Teeth Passion...
Some (O'Callaghan) are more into it than others (Tony Buckley).
Donnacha Ryan shows how to do it on O'Mahony's debut against Scotland in 2012
Sean O'Brien and Craig Gilroy lead the troops