The equal parts Blood and Sand (scotch, cherry brandy, sweet vermouth, and orange juice) formula from the 1930 The Savoy Cocktail Book is the accepted...
The B&S has nice balance but haven't had Heering since my Singapore Sling phase; subbed Kirschwasser. Off topic: Don't know what I made but subbed Barr Hill gin for blended scotch, Schladerer Kirchwasser, Carpano Antica, fresh OJ, and XXV Glenlivet drizzle (just a drizzle don't crucify me). Its a nirvana milkshake.