The 'Gay Byrne Hour' began on radio on 2 February 1973. Here Gay Byrne introduces a programme from 1977.

The 'Gay Byrne Hour' began on radio on 2 February 1973. In a rapidly changing Ireland, the programme become the public forum for many topics and debates of the day. In 1979 the programme was given extended air time and changed name to become the 'Gay Byrne Show'.

Following the signature tune Gay Byrne opens the programme with comments from a listener on the keeping of geese and a plea to listeners not to telephone during the programme to enter the 'Mystery Sound' competition.