22. Stream to File of selected instruments by using function solo (English)
For example, you have created a musical track of that uses a lot of musical instruments (parties), but at some point you need to get the audio files are not all the instruments, and only one (or some).
23. Stream to File of selected instruments by using function mute (English)
When we use stream to file of musical instruments (parties), MUTE function is the opposite function of SOLO, ie we end up will get files of those musical instruments, for which we do not used the function mute.