Heard this and suddenly thought maybe the title lodged in Marc Bolan's brain
After all, Tyrannosaurus Rex were a Underground band - beloved and supported by Peel, who also loved and supported Captain Beefheart and the Magic Band. His playing of the record on Top Gear probably had something to do with Trout Mask Replica actually making the UK albums chart - it got to #21, would you believe! (The next album Lick My Decals Off, Baby did even better - #20)
There's even a sort of once-removed connection - Beefheart was an old schoolfriend of Frank Zappa's and recorded for Zappa's label and was part of that whole LA freak scene. For quite a while the Mothers of Invention included Flo & Eddie - aka Howard Kaylan and Mark Volman - the ex-Turtles who went down a sort of rock-parodic path not unlike Zappa's own mock-it-all tendencies. And it's Flo & Eddie of course who did those creamy near-hysteria backing vocals on "Hot Love", "Get It On" and many other T.Rex hits.
Completely unconnected, but there's also the ridiculously groovy second-division Krautrock Guru Guru.
