I've got a great Branford Marsalis concert (playing Coltrane compositions) shot in hi-def but only available on SD DVD. Too good to pass up but would be spectacular on BD.
We'll have to agree to disagree, as I quite enjoy the "bossa nova" take she uses. But I have a lot of music that is far from universally loved, so no biggie.
Forgot to note two additions--A Concert By The Lake (featuring a bunch of people: Eric Clapton, Mike Rutherford, Gary Brooker, Ringo...