By Scott Schinder
Updated October 16, 1998 at 04:00 AM EDT

This beguiling 21-song set finds the revered singer-songwriter siblings trading vocals with various friends and relations — including Kate’s ex-husband Loudon Wainwright III and their talented kids, Rufus and Martha Wainwright — on an assortment of originals, covers, and standards. The communal vibe and organically elegant performances make The McGarrigle Hour a poignant meditation on the meaning of family and the power of shared history. A-