• Journal of Digital Convergence
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• v.15 no.6
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• pp.377-383
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• 2017

In this thesis, Improvisation of Jazz Vocal that can be characterized as Jazz music, namely practice of Scat suggest that way of applied approach that root position of chord and chord tones. Scat plays a solo using reproduced tunes of meaningless scat syllable that is not use the lyrics and melodies, which are written in a score. For this, Using the root position of chord is a reference point that Jazz vocal constructs a musical melody. Singing person can develop that reference point from simple scat to develop increasingly complex scat and can express that musical expression and communion. It analyzed the music functionally with a standard Jazz music 'All of me' as the center from composition of chord tone that improvise song to bass line, bass scat, analysis of chord tones arpeggio and expression. In this thesis, the improvisation of a Jazz vocal that may seem somewhat abstruse and complex could be relatively easy to construct through a gradual approach.

• The Journal of the Acoustical Society of Korea
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• v.22 no.4E
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• pp.141-149
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• 2003

As music of digital form has been widely used, many people have been interested in the automatic extraction of natural information of music itself, such as key of a music, chord progression, melody progression, tempo, etc. Although some studies have been tried, consistent and reliable results of musical information extraction had not been achieved. In this paper, we propose a method to extract chord and tempo information from general polyphonic music signals. Chord can be expressed by combination of some musical notes and those notes also consist of some frequency components individually. Thus, it is necessary to analyze the frequency components included in musical signal for the extraction of chord information. In this study, we utilize a sinusoidal modeling, which uses sinusoids corresponding to frequencies of musical tones, and show reliable chord extraction results of sinusoidal modeling. We could also find that the tempo of music, which is the one of remarkable feature of music signal, interactively supports the chord extraction idea, if used together. The proposed scheme of musical feature extraction is able to be used in many application fields, such as digital music services using queries of musical features, the operation of music database, and music players mounting chord displaying function, etc.

• Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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• v.6 no.3
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• pp.31-39
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• 2016

As the computer technology is developed, score-writers that can edit music have more improved functions. A user not only can insert notes, chords, and musical symbols conveniently, but also can listen to music displayed in the score. Existing commercial score-writers make scores look good and play notes through VSTi(Virtual Studio Technology instrument). However chord accompaniment function is so vulnerable that it is hard to know whether or not displayed chords are suitable for music. If a score-writer has a proper function that plays chord sound good to hear, it will be a good reference to band music sheet writers. In this paper, to improve chord playback function in existing score-writers, we propose an algorithm that selects suitable chord tones for chord playback and implemented a program. If we apply this algorithm, the chord play function of a score-writer will be strengthened and resultantly a music sheet writer who makes a band music can make scores more conveniently.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.16 no.1
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• pp.56-61
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• 2015

This is the Study of the Bass performance of the Jimmy Blanton who is first pioneer of Jazz Style Bass playing. Since the contrabass is using in jazz Performances Before jimmy Blanton, playing technique was mainly played repeatedly with simply two or four Beat with Root or 5th degree of Chord Tone. In Other words, there was only root based Note along with Harmony which doesn't have Bass Solos or Melodic phrase Appeared in Bass playing. Jimmy Blanton Was the First Bass Player who changes This Traditional Concept of Jazz bass playing after New Orleans Jazz era. He was introduced variety of accompaniment Style with Various rhythmic phrase and Bass Soloing like a horn Player. We could know that His Style Continues to Such as Ray Brown, Paul chambers who has a big Name after Jimmy Blanton. I analyzed accompaniment Style and solo techniques Of Jimmy Blanton with the Song "Cotton tail and MR.JB Blues" Which He Performed with Duke Ellington. I learned a lot while I'm analyzing his Performing Style from Jimmy Blanton, such as Target Note playing, using Chord Tones and Arpeggios, Melodic Solo Style, Jazz Style Bowing Technique, Question and Answer Phrasing etc. I could notice That He Was the true Pioneer of the First Bass player In the Early Jazz days.