LED ZEPPELIN What's It All About? (Scarce 1982 US promo-only wide centred vinyl 7" produced by Presbyterian Church public service broadcasting for their exclusive use, comprising a interview [5m07s] with Robert Plant hosted by Bill Huie with extracts of some of the hit songs; while over on the B-side is a similar by Bill Huie with Supertramp [5m00s]. The vinyl is issued in a plain die-cut paper sleeve MA3007)