Thanks, it works! But this is what happens:
https://1drv.ms/u/s!AlLNG4SDVWiJgoh-jkaGZ6j3B_fRUA
That is, one press of Tab and then S is normal, and the second calls the TrackInspector, activates the Solo track, activates Loop, opens the Browser and mutes the clip. But I will practice! 💪