Johannes, Robert and Clara

Tamás Vásáry manages to capture the intimate nature of this music:

Minimal music

But a totally different kind of minimal:

(Thanks to EnsembleXY for introducing me to this piece)

Percussion instruments

Here are some examples of (mostly) unpitched percussion instruments. And here is a list of some of the more common used unpitched percussions.

Is there no musical repetition here

While there are no note-pattern repetitions in here, when listening to this - as music - I hear repeated ideas. An appoggiatura (short-long) motif is heard multiple times, as is the upward motion through the keyboard.
This is a neat illustration of the problem of identifying music with its notation. Equating music with a sequence of note onsets, because this is how it looks on the page.

Music-Sound-Design

Blurring the lines between sound design and music, between diegetic and non:

Old and older

Recorded at the cathedral where it was first performed, this performance highlights the spatial dimension of the music (a topical subject but we sometimes forget the long history of sound disposition in spaces):

The string writing is, of course, very effective (score from imslp).

Bartok - Bagatelles Op. 6

These short piano pieces are wonderful sources for examining innovative harmony (and rhythm, and composition technique, and ...)