This double CD from Naxos is filed under Gustav Mahler, but should be filed under Various Artists, because only the first track "Adagietto" is from his 5th symphony. The rest is from other composers like Johann Strauss II for "The Beautiful Blue Danube".
You can suggest a correction on each individual track page at the bottom of the right column, e.g. for The Beautiful Blue Danube. A box will open after clicking on the link with two options to… read more