Shana Beth Halligan[1] (born October 11, 1973)[2] is a singer, songwriter, and composer based in Los Angeles, California, best known for her work as the former vocalist for the trip-hop act Bitter:Sweet.

She is the daughter of Dick Halligan, a founding member of the American rock band Blood, Sweat & Tears.

Halligan joined the band Bitter:Sweet in 2006 after answering an ad listed on Craigslist for a singer posted by Rick Torres and Kiran Shahani, who had previously founded the Supreme Beings of Leisure.

On November 29, 2011, Halligan released her debut solo EP, Paper Butterfly under Lady Swank Music, a label imprint founded by Thievery Corporation co-founder Rob Garza.

[8] In January 2014, Halligan collaborated with Thievery Corporation to write and record, "Depth of My Soul," a single from the band's album Saudade.