Songs I wish to hear on 9 Oct, though I know the possibilities of some of them below are very low:

1. 戀愛盲 2. 三千年開花 3. 找我 4. 新聞女郎 5. 零比零
6. 九九九 7. 不愛就不愛 8. 重新做人 9. PG家長指引
10. 瀛寰搜奇 11. 性情中人 12. 錯先生
13. 流離夜雨...雨中花 14. 好朋友 15. 呼吸 16. 某月某夜
17. 零時十一分 18. 不願一個人 19. 501 20. 步步高

My gut feelings told me that he would sing....
One song of Danny Chan, or maybe a song of Ho CC... just my guess.