Q:Read the bio below and try to give details on pia ravenna 's:    - death place     - relatives     - other names     - birth name     - death date     - spouse       - birth date     - name     - nationality     - image     - birth place     - occupation     Bio: pia ravenna -lrb- born hjördis sophie tilgmann ; 25 october 1894 -- 19 october 1964 -rrb- was a celebrated finnish coloratura soprano who specialized in operatic works and was known as `` the nightingale of finland '' . her artist name , pia ravenna , was based on her nickname `` pian '' and ravenna she found on the map of italy .
A:
- death place is helsinki- relatives is arnold tilgmann -lrb- brother -rrb-- other names is pian the nightingale of finland- birth name is hjördis sophie tilgmann- death date is 19 october 1964- spouse is alessio costa- birth date is 25 october 1894- name is pia ravenna- nationality is finnish- image is pia ravenna.gif- birth place is helsinki- occupation is opera singer