Read the bio below and try to give details on bertil hallin 's: - birth date - name - background - occupation Bio: bertil hallin , born 30 december 1931 , is a swedish church musician and music teacher , active in malmo . he participated as an expert in the hymn commission of 1969 , which led to the creation of the 1986 swedish hymnal .
A:
- birth date is 30 december 1931- name is bertil hallin- background is non_performing_personnel- occupation is church musician , music teacher