The 10 one was almost imposible, the 9 one I almost thought was Two Story Town lol, the 14 one I knew was Bounce album but then it took me a little more time to remember what song, the 18 one almost thought was one from the Box Set, and the 20 one I really almost forgot it.
1LTM / 2N / 3DR / 4LOL / 5BB / 6ISWID / 7SIIS / 8IAOFL / 9HT / 10(IDWF)TTF / 11LFS / 12D / 13STW / 14TD / 15ITWIT / 16HMU / 17W / 18YHMFH / 19LC / 20TAT