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 ...)


Granados - Goyescas

A recording of Granados performing his own music (in 1916 remastered from piano rolls):

Simple Metric Modulation

A drum tutorial explaining metric modulation (with notated illustrations as a bonus):


Correlation =/= causation

A useful illustration that if you search wide enough you can easily find 2 highly correlated variables:

 But that does not mean there is causal relations between them