From an exclusive song premiere by a Somerville alt-rock band to an album of Hawaiian-inspired exotica, our music critics enjoyed a rich variety of local music this month.

Sacred Harmony founder Janet Weaver has been singing gospel music across the nation since 2000. In the trio's 25th year, Weaver is joined in the joyful singing by Melissa Evans and Caleb Howard.

The Lumber River Quartet will present a concert of gospel music at 6:30 p.m. Aug. 7 at the Lewistown Valley Tabernacle, 614 Valley Road. The site is near Heisler’s Dairy. The group is a well-known ...