| Country | Tracks | Format | Catalogue | Comment | Rating | Status |
|---|---|---|---|---|---|---|
| United Kingdom | We Will Rock You/WE ARE THE CHAMPIONS/Spread Your Wings | 12" | EMI SP SLP 241 A1U | one sided promo | rare | report |
| United Kingdom | HAMMER TO FALL(live) | 12" | PMI 1 | one sided, promo for "Live In Rio" | scarce | definite |
| Country | Group | Album | Format | Catalogue | Comment | Rating | Status |
|---|---|---|---|---|---|---|---|
| United Kingdom | Heavy Pettin (with Brian) | Lettin Loose(Stirling cut by Brian May from Brian May mix) | LP | (none) | two acetates, one sided | rare | definite |
| United Kingdom | Heavy Pettin (with Brian) | Lettin Loose(Trident cut by Mark Dearnley from Mark Dearnley mix) | LP | (none) | acetate, double sided | uncommon | definite |