A quick refresher, since it’s been a while: Leigh Nash and Matt Slocum — the duo at the heart of Sixpence None the Richer — teamed up in a town outside Austin in the early ’90s, got a deal with a Christian indie before they started playing shows, moved here a decade and a half ago, and by album three, were on their way to dream-pop stardom. That, of course, was the album with “Kiss Me” and The La’s cover “There She Goes.” As for the band name, says Slocum, “I really had been going through a huge bout of Anglophilia, I guess, with my reading. I was really into that whole group of writers they call the Inklings: C.S. Lewis, Tolkien and all those guys.” He laughs about it now: “We could have chosen something a little more concise.” Really, Sixpence is one ’90s act with nothing to be ashamed of when it comes to the music they made that decade: sophisticated guitar pop, caressed by Nash’s feathery vocals, dressed in Slocum’s lush arrangements. The occasion for this Lightning 100 show? Lost in Transition is the first proper Sixpence album in a decade.