Ricker has painted more than 100 works for Hong Kong (see further down).  Reprints are available for sale, and net proceeds will be donated to 「細葉榕人道支援基金」.

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Ricker’s art and piano composition “Hong Kong Rhapsody” (香港狂想曲) has been labeled by the Chinese state media as “separatist art and music”, and on April 20, 2022, 文匯報Wen Hui Bao, a Chinese regime funded news paper, accused Ricker of having infringed on the National Security Law, thereby banning Ricker from entering Hong Kong and mainland China.