Taylor Swift rarity ‘Ronan’ will feature on the tracklist of ‘Red (Taylor’s Version)’, according to the mother of the boy the pop star wrote it about.‘Ronan’ was previously released as an iTunes-only song and was about a four-year-old boy called Ronan Thompson, who died from cancer.His mother Maya was credited as a co-writer on the song, which was inspired by her blog Rockstar Ronan and written from her perspective.