Glad to see you back! Great lesser-known waltz by Walzerkönig. Increasing the tempo was a great idea since the original recording was bit dull and rather uninspired. You might like the rare recordings of waltzes I've uploaded to my channel in the past months.
This interesting waltz, originating from the time when Johann was active as a a dance composer, really benefits a lot after tempo correcting towards a much livelier one! I like particularly the section starting at 3:37.