While most people are at least familar with James Taylor's Greatest Hits album,
I have found that if people enjoy those songs, they will still enjoy his songs they may not be familar with.
He is such a consistent songwriter and a vocalist with such a unique style, that like Frank Sinatra, it does not matter what he is singing - you never get tired of that voice!
That attests to his longevity and attracting the concert crowds year after year. James is as well known for his cover songs as he is for his orignals. He can take any song and make it his own.
So even if you don't recognize every song, there is no doubt if you like songs in the "JT style" you will enjoy the whole show!