1. JamBot:
Music Theory Aware Chord Based Generation of Polyphonic Music with LSTMs
Gino Brunner, Yuyi Wang, Roger Wattenhofer, Jonas Wiesendanger
Distributed Computing Group
ETH Zurich
Switzerland
TexPoint fonts used in EMF.
Read the TexPoint manual before you delete this box.: AAAAAAA

3. 12 notes Black and white keys of pianoG# A# C# C D E F G A H C D
12 notes
Black and white keys of piano
Same pitch interval between notes
Notes names repeat

4. Scale Subset of the 12 Notes Defined by pitch intervalsG A H C# D# F# G# A# C# D# F# G# A# C D E F G A H
Scale
Subset of the 12 Notes
Defined by pitch intervals
e.g. major scale: 2￫2￫1￫2￫2￫2￫1

5. Key root note + scale e.g., C major C D E F G A H C# D# F# G# A# C# D#

6. Key root note + scale e.g., C major C D E F G A H C# D# F# G# A# C# D#

7. C D E F G A H C# D# F# G# A# C# D# F# G# A# C D E F G A H
Chord
Subset of two or more (usually three) notes played at the same time
e.g., C major

10. LSTMs (Long Short-Term Memory)

12. Dataset MIDI (Musical Instrument Digital Interface) format
Like Sheet Music
No Sound
~100’000 Songs

13. Scales of the Songs Only use songs in major scale
Shift all songs to same root note

14. time
pitch
pitch
time

15. Extract Chords
1. Histogram of notes over every bar

16. 1. Histogram of notes over every bar

17. 1. Histogram of notes over every bar
2. 3 most played notes form chord
3. Assign id to 50 most occurring chords

18. Input: Output: 10-dimensional chord embedding
chord id
embedded chord
Output:
Probability of every chord to be played in next bar

19. Input:
Output:
Probability of every note to be played in next timestep

20. Music Generation 1. 2. 3.

21. Midi Synthesizer

22. Chord Embeddings
Circle of Fifths

23. Song 1
Instrument:
Bright Acoustic Piano
Tempo:
160 BPM

24. Song 2
Instrument:
Electric Piano
Tempo:
110 BPM

25. What’s Next? Instrumentation and Tempo Long Term Structure and Style
Note Duration and Velocity

26. ? JamBot TexPoint fonts used in EMF.
Gino Brunner
TexPoint fonts used in EMF.
Read the TexPoint manual before you delete this box.: AAAAAAA