为了能够呈现李圣杰声音的无限可能性，专辑里面收录多种曲风、不同类型的歌曲，主打歌《痴心绝对》，描写单恋的心情，是首非常迎合主流市场的动人情歌；同时，还有李圣杰非常钟爱的Jazz、Disco等各式歌曲，透过他挥洒自如的歌唱技巧以及充满感情的诠释，曲曲耐听。此外，他更挑战了电影《X-情人》的主题曲《Angel》，呈现出有别于原唱女声的崭新风貌

2003年在《痴心绝对》这张专辑无声无息发行一年后，在西门町的各大店铺中都在播放着专辑中的同名主打歌《痴心绝对》，就如同任贤齐的《心太软》广受传唱一般，《痴心绝对》也迅速从台湾红到内地、新马、泰国等地。但是歌红人不红，大家只知道《痴心绝对》是由李圣杰唱的，却根本没有见过他长什么样。

Possibilities of sound in order to be able to render Sam lee, album includes a variety of style, different types of songs, song for the infatuation definitely, to describe the mood of unrequited love, is a very moving love song to cater to the mainstream market; At the same time, li shengjie's very beloved Jazz, Disco and other various songs, through his free singing skills and full of emotional interpretation, melodies. In addition, he has challenged the theme song "Angel" from the movie "x-lovers", presenting a new look that is different from the original

In 2003 in the infatuation definitely "this album silent issued a year later, each big shop at ximending are playing in the album title song of the same name" infatuation definitely ", as some of the heart is too soft popular with the audience, the infatuation definitely also quickly red from Taiwan to mainland China, the new horse, Thailand and other places. But the red man is not red, and everyone knows that "absolute heart" is sung by li shengjie, but he never saw what he looked like.