Young People's Concerts Quiz Concert - How Musical Are You - 1968 TV was released on:
USA: 26 May 1968
Young People's Concerts Jazz in the Concert Hall - 1964 TV was released on: USA: 11 March 1964
Evangeline The Musical in Concert - 2000 TV was released on: USA: 1 October 2000
Young People's Concerts Musical Atoms - A Study of Intervals - 1965 TV was released on: USA: 29 November 1965
Live Earth The Concerts for a Climate Crisis - 2007 TV was released on: USA: 7 July 2007
You can purchase DVDs that have been submitted for general release at most retailers like Wal-Mart or Target. If you are looking for a specific Christmas concert, try searching at Amazon for it.
Saturday Night Concerts - 1985 was released on: USA: 1985
VH1 Guerilla Concerts - 2002 was released on: USA: 13 March 2002
I am NOT going to type all of them, but the website to find this info is http://lplive.net/
In Concert - 1972 Indeterminate was released on: USA: 1972
Ship's Concert - 1937 was released on: USA: April 1937
Tin Can Concert - 1961 was released on: USA: 31 October 1961
The Band Concert - 1935 was released on: USA: 23 February 1935