They were later joined by Tommy Byrne and Brian Warfield’s brother Derek. That line-up remained a constant on the Irish folk music scene until 2001 when Derek Warfield left the band.

"You can sing 'Up the Ra' but that's what it is, it's a Celtic football song at the end of the day. They pick out one line as usual, you know the story, it is more or less to demonise the song or ...

"Celtic Symphony," which features the chorus “Ooh, ah, up the Ra,” was played after a Leinster Rugby match at Dublin's RDS Arena on January 1 before being cut short.

Leinster Rugby apologized, saying "Celtic Symphony" by The Wolfe Tones, which features pro-IRA lyrics "ooh, ahh, up the 'RA," shouldn't have been played in the RDS Arena in Dublin.

The apology came after the Wolfe Tones’ ‘Celtic Symphony’ was played. The song features the lyric "Ooh Ah, Up the Ra!", in reference to the Irish Republican Army.