Unlike his other hits co-written with Guy Chambers, Robbie intentionally kept this song simple and acoustic to preserve its sincerity. Iconic Elements Robbie Williams – Nan's Song Lyrics - Genius
The live performance of during The Robbie Williams Show (2002) is a defining moment for Robbie Williams as a songwriter, representing the first time he wrote a track entirely by himself, both lyrics and music. Context of the 2002 Performance
The song is a tribute to his grandmother, Betty Williams , who passed away in 1998.