I just checked out Heavenly Sound's facebook page
https://www.facebook.com/pg/heavenlysoundsjkt/shop/?rid=123476048091834&rt=6
Concerto is no longer listed, Cadenza is now the most-highly priced, Has Cadenza replaced Concerto to be their current flagship?
...
AFAIK, Concerto was never listed on FB even after it is available. You just have to asked them vie PM.