Do you mean the favourite song from his new album or favourite song in general? From the album he liked timeless, and in general he said that he thinks that it is "illegal" for music-lovers to have a favourite song, but he said that a good song is man in the mirror (michael jackson). He also likes Justin Timberlake.
1. Man in the mirror-michael jackson
2. cry me a river-justin timberlake
3. grenade-bruno amrs
4. feel-robbie williams
5. 4 minutes-justin timberlake & madonna
