Monday, January 26th, 2020
Sierra sang “The Flag Song” at 54 Below as part of the celebrated monthly series “Sondheim Unplugged.”

Sunday, February 23rd, 2020
Sierra and Marquee Five sang at “Sondheim Unplugged” on Sunday, February 23rd, 2020, 7pm at Feinstein’s 54 Below

“A celebrated New York event since 2010, the BroadwayWorld and Bistro Award-winning series Sondheim Unplugged features some of Broadway and cabaret’s most dynamic voices, accompanied by piano only, delving into the musical world of Broadway’s master composer.”