Yes, I think you are right - just need to persevere with classical searches and try and sneak your way in!
I've had a hankering after Rozhdestvensky's complete Vaughan Williams symphonies (yes, really!) for quite a while but never quite persuaded myself to part with the ££ for the CDs ---- but YES the set is on Tidal.
- haven't listened yet, my Broadband Unlimited has only just now switched on. Later today I'll give it a 'spin'.
Lessee - Shostakovich / Rozh --- at first glance there are some 7, 9 10 -- probably more once you dig in. Also a whole series (25-30 or so) of various Rozh called Classical Masters - Bruckner (yum!), Sibelius, Prokofiev, Scriabin .....
All told over 100 albums with Rozh - some aren't even titled properly by composer! - what a mess! - it will be fun investigating them, though.