Speaking about the move, he says: "I have long believed that RTÉ Lyric FM is the place to be. For those of us who are devoted to music and who are serious about its importance in our lives, I firmly believe that the future is RTÉ Lyric FM. I couldn't be happier."
While he's winding up his slot on RTÉ Radio 1, Kelly will continue presenting RTÉs television arts programme, The View.
John will be presenting a new, weekday afternoon programme as part of the new-look RTÉ Lyric FM autumn schedule.