Usually people are frightened away unless they are into trippy Can and Amon Duul type stuff. But this is one of the great lost sources of good, classic hard rock. People (especially in the USA) who are wishing for just a few more albums of classic Deep Purple, Wishbone Ash, or Uriah Heep might will find some fairly fresh classic rock gems here:
Kin Ping Meh does the Beatles in Sabbath mode...
https://www.youtube.com/watch?v=uCE638wyzq0
Birth Control does the song that be band Gamma Ray was named for...
https://www.youtube.com/watch?v=y7tDhS3Hlao
Epitaph, for Wishbone Ash fans...their songs always start slow, finish heavy.
https://www.youtube.com/watch?v=w1C7RMxb_AE
see also Lucifer's Friend, Nektar, Eloy, Jane.