How do I keep my music playing throughout notifications (such as whatsapp messages)

[Andàem]

How do I keep my music playing throughout notifications (such as whatsapp messages)/how do I stop the volume of music played on Spotify momentarily lowering when notifications/messages are received?

[Andàem]

How do I prevent the volume of the music played on Spotify momentarily lowering when a notification/message is received?

[Pachinko98]

The only way to do this as far as I know is to put your phone's "Do not disturb" mode on.