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SongTrellis |
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Melodic Interval Tunetext is a transposable and time-scalable Tunetext format. The pitch sequences of tunetext melodies are expressed as a sequence of melodic interval specifications. The changes of duration between runs of notes are expressed using Duration Scaling Factor operators.
This format allows a user to easily transpose a melody or shrink/expand the duration of musical passages within a score by changing, adding or removing operators at a small number of locations within a tunetext string.
Melodic Interval operators begin with the direction strings 'up' or 'do' ('down' abbreviated) followed by an interval size declaration (Root,m2,M2,m3,M3,P4,aug4,P5,m6,M6,m7,M7,Octave,b9,9,b10,10,11,#11,12,b13,13,14 and 15).
'up P5' means move up a perfect fifth interval from the previously specified note in the Tunetext string and add a note of current duration and octave range on that pitch.
'do m3' means move down by a minor 3rd interval from the previously specified note in the Tunetext string and add a note of current duration and octave range on that pitch.
'up M3' means to add a note a Major 3rd interval higher than the pitch of the last note.
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Last update: Monday, November 1, 2010 at 2:41 AM. |
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