Why do I need Roon?

The main reason I enjoy Roon is the ability to merge my music library with Tidal (and Qobuz). 

In Audirvana I can play from Tidal (and Qobuz) OR from my music library, but playlist can only be from one or the other, not combined. 

It is also nice to look at and has tons of info although I can see why this might not be of interest to some. 

It’s a free trial. See if you like it. Me? I love the integration of Roon with Tidal and I’m interested to see how Qobuz compares. Rich metadata, bios, lyrics, DSP if you want it, and cool “radio” function to create playlists. $10 a month or $500 lifetime? I’ve easily wasted that in ill-advised music purchases. The integration with Tidal is excellent. 

We do the yearly
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I have been using Plex for several years.   It also now has Tidal integration and 30 day free trial.

I used to use amarra, pure music, and lastly audirvana. Roon surpasses them all for functionality and SQ. DS Lightning from Auralic and the LUMIN software would come in 2 and 3 behind Roon.
Roon provides such features that would, behard