Neil Young And Swear An Oath Of Fealty!
Here's a nice promo from 1979 in which Neil promotes Rust Never Sleeps.
For at least half of it Neil and the host munch and crunch their way though lunch on-mic.
A Conversation with Neil Young
Where odd audio errata, ephemeralities, and nonsense occasionally collide with actual music for serious contemplation. Trouble is - I'm not saying what is which.