The document discusses how music data is complex, containing a variety of information like auditory spectrograms, segmentation, pitch features, timbre features, tempo spectra, and more. It also mentions how the music industry watches and makes decisions from this data, and how a 5MB song can unpack 100MB of information about itself. Developers are said to be the future of music.

1. Music data is
scary & beautiful & exciting
Brian Whitman
@bwhitman
co-Founder & CTO, The Echo Nest
@echonest

6. 1995 2006 2011?
1999 2004 2009

7. care
nice

9. 25
4
auditory spectrogram
x 10
20
2
15
auditory spectrogram 10
1
0
5
1
! -1
beat markers
0 0.5 1 1.5 2 sec.
1
! -2
0.8
0 5 10 15 20 25
segmentation
0.6
240
segments 0.4 190
0.2 143
0 114
B
0 0.5 1 1.5 2 sec.
96 tempogram
A#
A
72
pitch features
G#
G
60
pitch features 0 5 10 15 20 25
F#
F
E 1
D#
D
C# 0.8
C
0 0.5 1 1.5 2 sec.
0.6
25
20
0.4 tempo spectrum
timbre features
15
0.2
timbre features 10 0
60 72 96 114 143 190 240
5
1
2 4 6 8 10 12 14 16 segments

14. The industry is always watching.
They make invisible decisions from invented data.

15. A 5MB song unpacks 100MB of information about itself

22. Music Acquisition (2001-)

24. The unintended power of APIs

25. Music Hack Days

33. Developers are the future of music

34. 006 2011
2009 201X...