Puzzle 10

Secret Royalty

Open up Cyberchef and play with it to see what it can do.

Once you're confident, find the 'royal' song in the following. code :

Mld fhv gsv hvxivg pvb gl wvxlwv Hh mfr pnb mzsfxlllt rb nkp xhrwa Vmxibkgvw yb lfi Uivmxs uirvmwh

Hint : one cypher is named after four letters of the Hebrew alphabet