Pumpernickel an old Bavarian term for "hard", either referring to the process used to grind the grain into flour, or the density of the final bread product. According to "Langenscheidts Taschen Wörterbücher" (1956), it refers to a form of "pumping work". The philologist Johann Christoph Adelung states that the word has an origin in the Germanic vernacular where was a New High German synonym for being flatulent, and was a form of the name Nicholas, commonly associated with a goblin or devil (e.g. "Old Nick", a familiar name for Satan), or more generally for a malevolent spirit or demon. Hence, "pumpernickel"
What Is Life a combination that became the top-selling single of 1971 in that country. "What Is Life" is one of Harrison's most commercial and popular songs – a "spiritual guitar quest" that "became [a] classic", according to "Rolling Stone" magazine. On release, "Billboard" magazine's reviewer wrote of "What Is Life" and "Apple Scruffs" as "intriguing rhythm follows-ups" to Harrison's previous single, which were "sure to repeat that success" and "should prove big juke box items". In their "Solo Beatles Compendium", authors Chip Madinger and Mark Easter refer to it as an "intensely catchy track" and view its pairing with "My Sweet Lord"