U2 have penned a song to bid farewell to Dublin music station TXFM as it marked its last broadcast on Wednesday.

The station, which was previously known as Phantom FM, announced last March that it would not be reapplying for a broadcast license

The station played U2's brief musical tribute for the first time on Wednesday evening as it prepared to wind down broadcasting. 

TXFM had been on air in its current guise for two years and had six full-time employees. It was much-loved for its commitment to Irish acts and for adopting a far more open music policy than most Dublin-based stations.

The news comes at a very challenging time for music radio and also at a time when there have been renewed calls for quotas for Irish music on radio.

Glen Hansard was among those lamenting the station’s closure today and yesterday, US musician John Grant also dropped in to the Dublin city centre studios to surprise TXFM presenter Claire Beck while she was live on air.