This question already has an answer here:
Example: User has a audio file named A with multiple instruments The multipe instruments are : Drums, piano, bass, sax.
User also has a audio file named B of an single instrument. The single instrument is : piano.
The piano from audio file A is identical As the audio file from file B.
Can audio file B be used to mute the piano from File A ?
I prefer Audacity ? Thanks