That the night’s billed as “An Intimate Evening With Lucinda featuring Doug Pettibone” reveals much about what to expect from the beloved singer-songwriter, who’s always been quick to champion her musical compadres and those who cover her songs. Last summer’s dates with accompanist Pettibone layered songs from 2011’s Blessed with her Grammy-winning Car Wheels on a Gravel Road and teased the audience with new compositions like “Bittersweet.” In Lucinda-speak, that means a new album’s on the way. – Margaret Moser