Answers-
Photo #1:
Bach Cello suite No.2, first mov
Preludium, one of the most profound and moving things he wrote. Maiksy playing:
http://www.youtube.com/watch?v=bWyrxAZCOhAPhoto #2:
Bach Cello suite No.4, third mov
Courante.
Photo #3:
Bach Cello suite No.5, end of third mov
Courante and first two of the three lines of the fourth mov
Sarabande- this suite possibly his greatest work with the
Sarabande ‘the essence of Bach’s genius’ to quote Rostropovich and paraphrase Tortelier. It was originally for a six stringed cello so there are two lines of music, one with the relevant notes transposed for regular cello. Maisky again:
http://www.youtube.com/watch?v=bWyrxAZCOhAPhoto #4: Messiaen
Vingt regards sur l’enfant-Jesus mov 11, an effective example of his birdsong writing. Roger Muraro playing:
http://www.youtube.com/watch?v=DaSmgxN-Das&mode=related&search=Photo #5: Messiaen
Vingt regards sur l’enfant-Jesus mov 20, manic and monumental creativity in this finale, impossible to play fast enough without great technique. Unfortunately the first half of the video of Katsaris playing this piece seems to have disappeared but you’ll get a feel for the virtuosity:
http://www.youtube.com/watch?v=WuOUBCdw7qgPhoto #6: Messiaen
Vingt regards sur l’enfant-Jesus mov 15, the end of the climactic section, releasing huge tension. The section builds up particularly from 2’30’’ with tension breaking at 2’50’’- the last line on the photo:
http://www.youtube.com/watch?v=1bsvVdBJXtQ&mode=related&search=Photo #7: Messiaen
Vingt regards sur l’enfant-Jesus mov 4, magical dissonance here (I used to play from memory).