Streaming services.


I am just beginning to venture into streaming. So far I only stream radio stations or my library from my NAS.  I would appreciate opinions on various services , quality , content, ease of use, price or whatever your thoughts about streaming. Which service has the best selection of blues, jazz, classical, 60's 70's rock/ folk and celtic music?    
djones51
So far I have ben very happy with Tidal, surprised actually by the sound quailty. . There is one thing.  I found a CD , Donovan's Cosmic Wheels one time and haven't been able to find it again.  I can find the song but not the whole CD. Is this normal? Do they remove as well as add stuff? 
Unfortunately at times they do remove stuff as well.
I have had that on a few occasions, it is not common but does occur.
A small slight in the general scheme of things Tidal imho
I can buy the CD and add it to my library then. My wife had the LP when we met and wanted to listen again, we had both forgotten about it, at least Tidal jogs the old memory when searching. Finding so many things hard to keep track. Thanks  all.