What is the fine-grained topic of the following text: But the six studio albums released between then and 2006 contained some of the finest work of Cohen's entire career, and on tracks such as "First We Take Manhattan," "Dance Me To The End Of Love," "The Future," "I'm Your Man," "Ain't No Cure For Love," "Tower Of Song" and so many others, he augmented his music with a philosophy, wisdom and enlightenment that both delighted his existing fanbase and endeared him to new generations in a manner that few others could hope to achieve. Only return the topic.
Leonard Cohen's music career and impact from 1980 - 2006.