Saturday evening, April 19, Rock City Cafe's Velvet Lounge series will welcome back OC & Sarah, a mother-daughter duo from Stonington. The will play from 5 to 7 p.m. at the downtown venue, 316 Main St.

OC & Sarah play a range of folk, blues, bluegrass and Celtic music, harmonizing on vocals and incorporating instruments such as the guitar, flute, ukulele and tin whistle. Sarah Ehrlich grew up in Brooklyn, N.Y., and was introduced to folk, country and blues by her father, getting influences from performers such as Buffy Sainte-Marie, Ramblin’ Jack Elliot, Hank Williams and other folk and blues greats. She started to learn guitar at age 10 and played in a variety of groups as a teenager and young adult. In her 20s, she moved from New York to Maine and toured as a member of the folk trio County Down, performing music throughout Maine, New England and Canada; and recording two albums. She studied music therapy and later education and has worked as a private guitar and voice instructor; and a classroom teacher for years.

Oceana Castañeda grew up surrounded by many music influences. She began studying flute at age 10 and played for many years in school, and in statewide competitions and festivals. In 2003, she was named the top-scoring flutist in the Maine All-State competition, and she played in the Chamber Orchestra at Dartmouth College. She also plays guitar and ukulele and was a member of the Brooksville-based reggae indie group The Living Daylight. Currently, she lives in Mexico City where she works as an English teacher and continues to play and perform.

Rock City’s lunch service extends till closing on music nights. For more information on this and other events happening at the coffeebar/cafe, call 594-4123 or find it on Facebook.

Courier Publications’ A&E Editor Dagney C. Ernest can be reached at (207) 594-4401, ext. 115; or