Christel Martina Sundberg Known By Her Stage Name Chisu Born January 3 1982 Is A Finnish Pop Artist Song Writer And Producer. She Wrote Her First Single "Mun Koti Ei Oo Täällä" To The Soundtrack Of A Movie Called "Sooloilua". The Song Was A Huge Hit In Finland In Spring 2008. She Released Her 2nd Album "Vapaa Ja Yksin" On The 23rd September 2009 Through Warner Music Finland.