A Brazilian Popular Music Digital Library Oriented to Musical Harmony e-Learning

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A Brazilian Popular Music Digital Library
Oriented to Musical Harmony e-Learning

• Fernando William Cruz (UnB/UCB) et al
• fwcruz_at_ucb.br

ISMIR2004 Barcelona, Spain
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Summary

• Introduction
• System General Overview
• Focus on
• E- learning
• MIR Strategy
• Standard Musical Format
• Elements to storing
• Single Musical Style
• Our Music Digital Library
• Conclusion

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Introduction

• Concerns
• Formal Music education usually is concerned with
  classical music
• How to preserve Brazilian popular music harmony
  culture?
• The question being addressed
• Why not also use Brazilian popular music in
  formal education?
• Positive aspect
• We have a large variety of styles in popular
  music to choose from
• (choro, bossa nova, samba, )
• Negative aspect
• There are large gaps in the availability of good
  educational material that focus on Brazilian
  popular music

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Introduction

• Our proposal
• to design a digital library framework able to
  provide appropriate support to those interested
  in the Brazilian music culture by means of a
  meaningful set of musical pieces and its
  educational use.

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System General Overview

• Components
• Hypermedia Document
• Music Intelligent Tutoring System (ITS)
• Music Digital Library

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E-learning Applications

• ITS Music Intelligent Tutoring System
• Centered on a multiagent-based approach
• Permits guided navigation on Music Digital
  Library
• Uses MDL as a knowledgement database for build
  exercises and examples

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MIR Strategy - Harmony Trees Theory (basic)
Modulations
C
-G7
-C
-A7
-Dm
-G7
-C
-E7
-Am
-G7
-C
Relative
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Standard Musical Format
Interchanging of data
MusicXML Hello World
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Elements to Storing

• Melody line
• Bass line
• Associated harmony

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lt?xml version"1.0" standalone"no"?gt lt!DOCTYPE
score-partwise PUBLIC gt ltscore-partwisegt
ltmovement-titlegtFlor Amorosalt/movement-titlegt
ltidentificationgt ltcreator type"composer"gtJoaq
uim Antônio da Silva Caladolt/creatorgt
ltencodinggt ltsoftwaregtFinale 2004 for
Windowslt/softwaregt ltencoding-dategt2004-03-27
lt/encoding-dategt lt/encodinggt
lt/identificationgt ltpart-listgt ltpart-group
type"start" number"1"gt ltgroup-symbolgtbrack
etlt/group-symbolgt lt/part-groupgt
ltscore-part id"P1"gt ltpart-namegtMelodialt/par
t-namegt ltscore-instrument id"P1-I1"gt
ltinstrument-namegtFlutelt/instrument-namegt
lt/score-instrumentgt ltmidi-instrument
id"P1-I1"gt ltmidi-channelgt1lt/midi-channelgt
ltmidi-programgt74lt/midi-programgt
lt/midi-instrumentgt lt/score-partgt
ltscore-part id"P2"gt ltpart-namegtViolãolt/part
-namegt ltscore-instrument id"P2-I2"gt
ltinstrument-namegtAcoustic Guitar
(steel)lt/instrument-namegt
lt/score-instrumentgt ltmidi-instrument
id"P2-I2"gt ltmidi-channelgt2lt/midi-channelgt
ltmidi-programgt26lt/midi-programgt
lt/midi-instrumentgt lt/score-partgt
ltpart-group type"stop" number"1"/gt
Musical Style (Choro)
The First Choro (1875)
MIDI version
Live version (2001)
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lt?xml version"1.0" standalone"no"?gt lt!DOCTYPE
score-partwise PUBLIC gt ltscore-partwisegt
ltmovement-titlegtFlor Amorosalt/movement-titlegt
ltidentificationgt ltcreator type"composer"gtJoaq
uim Antônio da Silva Caladolt/creatorgt
ltencodinggt ltsoftwaregtFinale 2004 for
Windowslt/softwaregt ltencoding-dategt2004-03-27
lt/encoding-dategt lt/encodinggt
lt/identificationgt ltpart-listgt ltpart-group
type"start" number"1"gt ltgroup-symbolgtbrack
etlt/group-symbolgt lt/part-groupgt
ltscore-part id"P1"gt ltpart-namegtMelodialt/par
t-namegt ltscore-instrument id"P1-I1"gt
ltinstrument-namegtFlutelt/instrument-namegt
lt/score-instrumentgt ltmidi-instrument
id"P1-I1"gt ltmidi-channelgt1lt/midi-channelgt
ltmidi-programgt74lt/midi-programgt
lt/midi-instrumentgt lt/score-partgt
ltscore-part id"P2"gt ltpart-namegtViolãolt/part
-namegt ltscore-instrument id"P2-I2"gt
ltinstrument-namegtAcoustic Guitar
(steel)lt/instrument-namegt
lt/score-instrumentgt ltmidi-instrument
id"P2-I2"gt ltmidi-channelgt2lt/midi-channelgt
ltmidi-programgt26lt/midi-programgt
lt/midi-instrumentgt lt/score-partgt
ltpart-group type"stop" number"1"/gt
Musical Style (Choro)
The First Choro (1875)
MIDI version
Live version (2001)
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Other Choros
Noites Cariocas (Jacob do Bandolim)
Version 1 (Noites Cariocas, various, 2001)
Version 2 (Retocando o Choro, Armandinho, 2004)
Version 3 (sempre Jacob, various, 1997)
Santa Morena (Jacob do Bandolim)
Version 1 (sempre Jacob, various, 1997)
Version 2 (Retocando o Choro, Armandinho, 2004)
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Other Choros
Noites Cariocas (Jacob do Bandolim)
Version 1 (Noites Cariocas, various, 2001)
Version 2 (Retocando o Choro, Armandinho, 2004)
Version 3 (sempre Jacob, various, 1997)
Santa Morena (Jacob do Bandolim)
Version 1 (sempre Jacob, various, 1997)
Version 2 (Retocando o Choro, Armandinho, 2004)
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Other Choros
Noites Cariocas (Jacob do Bandolim)
Version 1 (Noites Cariocas, various, 2001)
Version 2 (Retocando o Choro, Armandinho, 2004)
Version 3 (sempre Jacob, various, 1997)
Santa Morena (Jacob do Bandolim)
Version 1 (sempre Jacob, various, 1997)
Version 2 (Retocando o Choro, Armandinho, 2004)
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Other Choros
Noites Cariocas (Jacob do Bandolim)
Version 1 (Noites Cariocas, various, 2001)
Version 2 (Retocando o Choro, Armandinho, 2004)
Version 3 (sempre Jacob, various, 1997)
Santa Morena (Jacob do Bandolim)
Version 1 (sempre Jacob, various, 1997)
Version 2 (Retocando o Choro, Armandinho, 2004)
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Other Choros
Noites Cariocas (Jacob do Bandolim)
Version 1 (Noites Cariocas, various, 2001)
Version 2 (Retocando o Choro, Armandinho, 2004)
Version 3 (sempre Jacob, various, 1997)
Santa Morena (Jacob do Bandolim)
Version 1 (sempre Jacob, various, 1997)
Version 2 (Retocando o Choro, Armandinho, 2004)
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Our Music Digital Library
lt?xml version"1.0" standalone"no"?gt lt!DOCTYPE
score-partwise PUBLIC gt ltscore-partwisegt
ltmovement-titlegtFlor Amorosalt/movement-titlegt ...
ltmeasure number"5"gt ltnotegt ltpitchgt
ltstepgtGlt/stepgt ltoctavegt5lt/octavegt
lt/pitchgt ltdurationgt4lt/durationgt
lttie type"start"/gt ltvoicegt1lt/voicegt
lttypegtquarterlt/typegt ltstemgtdownlt/stemgt
ltnotationsgt lttied type"start"/gt
lt/notationsgt lt/notegt . . . ...
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Conclusion

• Efforts to date
• We are selecting fifty of the most important
  Choros and converting them into MusicXML
• Analysis about metadata that can be used
• We are building the bases for Pattern Analyzer
• Constructing a Musical Harmony e-learning course

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Thanks!Gracias!Obrigado! fwcruz_at_ucb.br
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