'O'Donnell Abú' Listeners choose 'O'Donnell Abú' as the identification tune signal for the Irish national station.

One of the nicer things to be woken up by. Still used today. #2RN #CallSign #ODonnellAbu

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Amárach @AntSeachtainMNG @rternag ag 11. #scramblers @shanemoynihan @uup @JonBurrowsMLA @dr_ianmalcolm #radio100 #2rn @nuachainteoir @GAAonSetanta @officialgaa @IRFU #bundeeaki @m_nibhraonain Bígí linn agus sibh ag ól an tae