Lectures, courses and product demos
For a recorded lecture or course video on your own channel the Creator license is enough.
Internal company presentations played in a meeting room are a different case: write to us, that is a business use.

Slides and voice-over need music that is almost not there: even, without drops or vocals. Ambient and soft downtempo from one studio, with the tempo on every track page.
For a recorded lecture or course video on your own channel the Creator license is enough.
Internal company presentations played in a meeting room are a different case: write to us, that is a business use.
Set the music 18 to 24 dB under the voice. Ambient tracks with no percussion can sit even lower and still give the room a floor.
Put it in the description of every video or episode that uses the track:
Music: Dr.DIO · track title · drdio.studio
Yes: a presentation you publish on your own channel or show in class is covered with the credit line.
Sales videos for clients and ads need a separate license: write to us on the Help page.