And that is the atmosphere that European rugby keeps, which adds spectacle.
Crotty admitted he missed a brief moment against England at Twickenham last week with home fans who had the idea of "God Save the Queen" before the game and the "Swing Low Sweet Chariot" whenever England was supposed to lift.
The 30-year-old expects more than the same loving Irish fan base.
"The atmosphere on all these Northern Hemisphere stadiums is just unreal," Crotty said.
"On the weekend we saw how special it is to play in Twickenham with all the many songs, and Ireland is the same with their cool hymn and well-known fans, so it will be cool to be part of it.
"These are the games you want to play – big, tough tests this Saturday night (local time) will be another special moment."
Standing opposite Crotty when the side conflicts could be well known.
The Bundee Irish Center He spent in the early days as a professional rugby in New Zealand with the Manuka counties and chiefs.
Believing that all black dreams might never have been experienced, Aki moved to Ireland in 2014 with an opportunity to play international rugby after completing a three-year stay.
In 2017, who debuted for Ireland and is considered to be almost an automatic choice after the star of six campaign countries.
Crotty is interested in the former Super Rugby star has made the name for himself as an international midfielder.
"It's nice to see how this is doing so well," Crotty said.
"I played a lot against him when they were crusaders against bosses and then he was a great player.
"He has been accelerating because he's been here already. It's nice to see him get a lot of opportunities and it will be a big challenge on Saturday."