May – November, 2018: Sondheim Unplugged at 54 Below
Appearances as part of Sondheim Unplugged at Feinstein’s/54 Below: May 18, 2018 Sierra was a featured singer and as part of Marquee Five in “Sondheim Unplugged at Feinstein’s 54 Below. September 16, 2018 Sierra performed as part of Marquee Five in “Sondheim Unplugged” at Feinstein’s 54 Below. October 31, 2018 Sierra performed as part of Marquee Five in “Sondheim Unplugged: Into Sweeney Todd’s Woods” at Feinstein’s 54 Below. November 25, 2018 Sierra performed as a soloist and as part of Marquee Five in “Sondheim Unplugged” at Feinstein’s 54 Below.