Joe

Yes, this is the second-to-last recording date Kelly led. A mostly overlooked LP, IMHO.

Yep! https://www.discogs.com/master/185305-The-West-Coast-Pop-Art-Experimental-Band-Vol-3-A-Childs-Guide-To-Good-Evil But it dates from 1968, so pre-JCS. But definitely apocalyptic / Manson-esque.

On that vibe, then, there's also the West Coast Pop Art Experimental Band's Volume 3: A Child's Guide to Good and Evil.

FWIW, John Tilbury (of AMM) has also recorded a version of FOR JOHN CAGE, with violinist Darragh Morgan. https://diatriberecords.bandcamp.com/album/morton-feldman-for-john-cage

I am a fan generally but I confess I don't know this piece or these recordings very well. Looks like Hat Hut / ezz-thetics now has this covered: https://ezz-thetics.bandcamp.com/album/for-john-cage. But I've yet to audition it. The first Feldman recording I heard pairs the early Durations with Coptic Light. I still have a soft spot for these renditions. https://www.allmusic.com/album/morton-feldman-durations-i-v-coptic-light-mw0001940584

They were all working-class Catholics. Only Catholicism produces that brand of "Satanism." Also, as far as Christian rock concept LPs from this early 70s go, overlook Aphrodite's Child's 666 at your own peril. https://www.loudersound.com/features/apocalypse-and-orgasm-the-crazy-story-of-aphrodites-child-666-vangeliss-cult-masterpiece

Wow!

Rick Allen Victor "Moulty" Moulton Masahiko Togashi

Colleen Dewhurst Barry "Frosty" Smith Rainn Wilson

Cole Porter Porter Wagoner Chuck Woolery

You can also hear some recent-ish Shim on Matt Brewer's GANYMEDE (Criss Cross) https://www.crisscrossjazz.com/album/1403.html

Jochen Nickel 50 Cent Buck Rogers

Sun Yat-sen Moon Unit Zappa Kenneth Starr

New to me; will definitely check them out. Thanks!

Adolphe Saxe Leon Theremin Robert Moog

The Paternity Suits — Sing "Money Money" And Other Mondegreens

Do you know Don Cherry's COMPLETE COMMUNION? I think that fits this bill. I'd also recommend THE STRAIGHT HORN OF STEVE LACY on Candid, which features Charles Davis on baritone. The Lacy - Charles Tyler date on Silkheart — ONE FELL SWOOP — is not dissimilar. Finally, Frank Lowe's EXOTIC HEARTBREAK. Not a piano-less band, but the piano duties are handled (and then some) by Amina Claudine Myers.