2FM paid tribute to the late Gerry Ryan by re-opening the Ryan Line as part of the station's 40th birthday celebrations on Friday morning.
Listen to the hour-long programme by clicking the button on the main image.
Announcing the special programme, 2FM said: "Gerry's back ......the Ryan Line is open. ...1850-715 -922.
"His daughter Lottie Ryan will introduce the one-off, hour-long special presented by her father, the late Gerry Ryan."
As 2FM celebrates its 40th birthday on Friday, the stars have been reflecting on the legacy of the station, with new recruit Doireann Garrihy noting that it's a "surreal time" to come into the fold.