The Arion Singing Society in New Milford will celebrate its 100th anniversary with festivities May 15 in Danbury.

A free concert will be offered from 2 to 4 p.m. at the Amber Room Colonnade at 1 Stacey Road.

A reception of dignitaries, dinner and dancing will follow from 5 to 9 p.m.

The cost for the evening's activities is $65. A cash bar will be available.

Music will be provided by the Norbert Ludewig Orchestra.

For more information and reservations, call Helga Kerler at 203-426-6969 or the club at 860-354-7593.