Deborah Epstein, known professionally as SoShy (pronounced so-shy), is a French singer and songwriter (born September 14, 1982) Epstein wrote "Strike the Match" for the ECHO Music Awards nominated German all-female pop band Monrose. She wrote "Appetite For Love" for Belgian singer Natalia on her double platinum album Everything & More and co-wrote "Lost Cause" for alternative rock/pop artist Chris Cornell on his album Scream. She was signed to Timbaland's Mosley Music Group/Interscope/Universal Music Group.