Another noise note. If you need to insert “silence” or gaps in the production, Do Not use Generate Silence. Instead, make up a chunk of existing Room Tone or noise and edit that in. There is a relatively new set of tools called Punch to make it easy.
https://manual.audacityteam.org/man/tutorial_punch_in_repair_of_recordings.html
Also:
https://manual.audacityteam.org/man/punch_and_roll_record.html
And here.
https://forum.audacityteam.org/t/punch-copy-paste/28906/1
Koz