The City Slang stalwart and German indie bedrock of Konstantin Gropper’s Get Well Soon doesn’t privilege its mother tongue like most well-bred German smarty- pants, though Gropper isn’t beneath working Hei- degger into his song titles. Billed as “a special night,” he’ll be performing three sets in three different veins. If this were a very special Lifetime presentation, one of those veins would be filled with heroin. Or a baby. Vin Blanc/ White Wine specialises in opening.