is a Filipino-American soul-infused pop and R&B singer and songwriter in the Bay Area, California.

She emerged as a prolific, consistently engaging vocalist on the Bay Area R&B and Soul music scene in 2004 with her self-titled (but unreleased) debut album Reneessance. An elastic talent who moves effortlessly from glossy ballads to hip-hop inspired pop, Sebastian has established herself as a creative force on her own. Since the successful release of her hit single Deliciously Dangerous, which won a Billboard songwriting award, garnered radio adds nationwide and received acclaimed reviews from national trade publications, including an "R&B Pick of the Week" from Billboard magazine. She's a self-described "progressive artist" and creator of a popular New York City soul showcase series Blowout Lounge.

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