India, April 12 -- Although the loud strains of classic rock pour out of Pagal Records in Hauz Khas, the tiny basement store can be hard to spot unless you have your eyes peeled or you're a regular. Today, they've had a steady stream of customers and casual perusers come in. It's Record Store Day - a fact that the store has also announced on their Instagram (with special discounts, of course). By early afternoon, barely two hours since they opened, the store manager tells us they've already sold about 10 records. "Lots of Led Zeppelin, Pink Floyd and The Beatles - the classics," he says, asking not to be named.

Unless you've been at least semi-involved in your local scene at some point, the likelihood that you've heard of Record Store Da...