The concert was held to benefit mentally retarded children at the Willowbrook Hospital in New York State.
Tracks are also available.
Here, for the first time ever, he sings all of his hit including Imagine and New York City. This is by far the most accessible of the three live Lennon albums released. It boasts a number of his early hits up to 1972 when it was originally recorded. As with all the posthumous Lennon releases, it is safe to say that its release was as much about paying tribute to the man as it was about releasing a great album. It is worth paying a little extra for the video version, since it gives you more of a feel for Lennon the artist and includes more of his witty asides between songs.