Gina Bachauer tunes up its format again for this year’s piano fest

The Gina Bachauer International Piano Foundation never has been overly tethered to the status quo. Paul Pollei, who founded the organization in 1976 and ran it until his death in 2013, kept the event fresh over the years by including components such as a chamber-music round, an adult-amateur division and even a competition for five-member “piano teams.” This year’s twist: Audiences can watch the creative process at work as six young pianists, chosen by audition, participate in four master classe...