India, Feb. 20 -- In the early 2000s, as a cub reporter writing my first gig reviews, I worried all the time about getting the setlist wrong.

I would stand in the front row, notebook in hand, jotting down every track a band played, and praying silently in thanks each time an artist announced their next number.

The major bands weren't much of a problem; one likely already knew their discography, and there was always a superfan around if one didn't recognise a tune or two. But the unfamiliar acts, and (oh God) the independent bands, could mean hours of forensic digging.

Track down the band manager and hope they had a list; scour a fledgling internet hoping chat forums would hold clues. Get a single track wrong, and one risked having one'...