Monday, December 16th, 2019: Sierra sang in a quartet of a song co-written by Jonathon Lynch and Gil Varod, in an evening of original songs. Produced, directed, and hosted by John Znidarsic

View Playbill.com and Broadwayworld.com coverage:

“Produced, Directed and Hosted by John Znidarsic, this special concert features an array of ALL NEW HOLIDAY SONGS written by some of today’s most talented composers and lyricists performed by some of New York’s freshest talents.”