Train, the American band who followed Slash on to the field after his ill-fated grand final pre-game show on Sunday, believes the NRL got the entertainment wrong.

Asked if he would have wanted to watch iconic axeman Slash playing to a backing track or with a band, Train guitarist Jimmy Stafford said he found the former Guns N'Roses man's show "a little weird".

Singer Pat Monahan of the band Train had a 'cooler' idea about how the NRL entertainment should have gone. Credit:AP

"I mean I get it, that song is an official song for the game or something, but yeah [I'd want to see a band]."

Train lead singer Pat Monahan thought the way the bands were lined up was wrong: "You know what they could have done, which would have been cooler, instead of Slash doing four minutes and Train doing six minutes? Slash and Train [together] for 10 minutes.