Currently in its 25th anniversary season, this fine period-instrument group has persevered through all the vicissitudes of New York's early music scene.

The Philharmonic does not often venture into Baroque territory, which is increasingly the province of period-instrument groups.

The strings of Rebel, a period-instrument group, began and ended phrases together but disagreed too often in between.

But for fans of this superb period-instrument group, there was a bittersweet undercurrent as well.

The success of this period-instrument group, in its second year, still seems to depend heavily on who is directing a particular concert.

When period-instrument groups took over the recording world, Mostly Mozart added them to the mix.

Would the spit-and-polish of today's best period-instrument groups have been a historical distortion?

The next concert in the series, on Thursday evening, features another period-instrument group, the Aulos Ensemble.

His work was informed by qualities that are prized in period-instrument groups.

And the Netherlands Bach Society claims to be the oldest period-instrument group in Holland.