The genre - As a foundation of music theory, the circle of fifths follows a strict pattern seen in most songs.This maybe an creative choice so the system is going to have a hard time finding a close approximation. The songwriter - Sometimes the songwriter won't stick to the principles of the music theory.The system - exact detection is not guaranteed however the dataset can discover notable patterns for greater accuracy.These can be the result of a number of factors: The dataset can range in quality primarily based on the number of detected notes. This is essential for key finding process (and subsequent matching chords and scales). Under each of the notes is the number of detected notes. The chart above display all the music notes discovered within the song Maneater.
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Once again, professional musicians can ignore these elements when working out how to play a song, something that AI can quite often misunderstand. Perhaps the additional notes can unexpectedly change cadence to the song or the entire key signature could change. Ironically the human element can be the biggest impact on the accuracy! Musicians generally stick to the music theory but there's quite often notes misplaced or added based on artistic principles. What other factors can affect results beyond the discovered notes?
At which case, the system will then average out for the more likely result. Too many notes on the other hand is equally difficult and will result in too many possible predictions. Some of these factors are true of professional musicians too but humans can 'feel' correctness through ear training. If the system is unable to detect many notes, then it is least likely to make a likely prediction. The sample set of notes can determine how likely of a correct decision is made. How does the system determine level of accuracy? It also detects the best suited root note so further predict the mode. How did the system arrive at this decision?īesides checking what notes are heard in the song, it also checks for repetition and patterns associated with chords and scales.
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