Using Audacity!

A beginner’s Guide to Audacity: https://www.howtogeek.com/howto/39681/the-how-to-geek-guide-to-audio-editing-the-basics/

Basic recording and editing in Audacity: https://www.instructables.com/id/Basic-recording-and-editing-with-Audacity/

Basic tips for podcasting in Audacity: https://www.buzzsprout.com/learn/audacity-tutorial

The Audacity Manual for Editing with Audacity: https://manual.audacityteam.org/man/tutorial_editing_an_existing_file.html

Tutorial – Mixing a Narration With Background Music:

https://manual.audacityteam.org/man/tutorial_mixing_a_narration_with_background_music.html