Best way to create a Discography (separate bibliography for music)?

I'm working on a CSL style and the University requires music recordings to be put in a separate "discography", while everything else is put in the main bibliography. I've searched around looking for how to accomplish this and have found this thread:

It recommends using a CSL macro to sort the bibliography by reference type, in order to put the audio recording after everything else in the bibliography. Then at the end manually adding in the discography title between the bibliography section and discography section.

As that thread is over 10 years old can I just check: is that still the best / only way of achieving this, or is there a better way now?

Thanks for any help.
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