Quiero volver a reproducir la pista anterior
[IN:PREVIOUS_TRACK_MUSIC [SL:ORDINAL anterior ] [SL:MUSIC_TYPE pista ] ]
{"tokens":["Quiero","volver","a","reproducir","la","pista","anterior"],"tokenSpans":[{"start":0,"length":6},{"start":7,"length":6},{"start":14,"length":1},{"start":16,"length":10},{"start":27,"length":2},{"start":30,"length":5},{"start":36,"length":8}]}
Quiero volver a reproducir la pista anterior
[IN:PREVIOUS_TRACK_MUSIC [SL:ORDINAL anterior ] [SL:MUSIC_TYPE pista ] ]
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