Image credits...

- Open Sans font by Steve Matteson, https://fonts.google.com/specimen/Open+Sans

- Fira Sans font by Mozilla, https://www.fontsquirrel.com/fonts/fira-sans

- Image by OpenClipart-Vectors, https://pixabay.com/vectors/microphone-talk-speak-record-radio-1295666/

- Designed in Inkscape, https://inkscape.org/

- Converted in GIMP, https://www.gimp.org/

- Modifications: Resize, add text, add background, add lines