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Based on the model , a music scene analysis system has been developed for acoustic signals of ensemble music , which recognizes rhythm , chords , and source-separated musical notes .
 used for: music scene analysis system, acoustic signals of ensemble music; used for: music scene analysis system, rhythm; used for: music scene analysis system, chords; used for: music scene analysis system, source-separated musical notes; conjunction: rhythm, chords; conjunction: chords, source-separated musical notes
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
 Entity Pairs:  music scene analysis system, acoustic signals of ensemble music; music scene analysis system, rhythm; music scene analysis system, chords; music scene analysis system, source-separated musical notes; rhythm, chords; chords, source-separated musical notes 
Answer:
 used for: music scene analysis system, acoustic signals of ensemble music; used for: music scene analysis system, rhythm; used for: music scene analysis system, chords; used for: music scene analysis system, source-separated musical notes; conjunction: rhythm, chords; conjunction: chords, source-separated musical notes