Robin was born in Penacony and was originally the student of Lady Cash. She left Penacony when she was older, and became a cosmic superstar in Epsilon. She was invited to return and perform in the opening ceremony of the Charmony Festival.

She also sang the well known song "If I Can Stop One Heart From Breaking." Her songs are said to be played around Penacony time to time as the festival draws close.

She can use the power of Harmony to broadcast her music, manifesting "resonance"