I need help with my choir assignment ! Plz help ☺️

Anarrative piece of are ? a. tells a story or series of event b. serves as a remembrance of an event person c. display the likeness of a person, in order to document their existence d. relates the lives of important individuals

Which of these forms or genres appeared in the baroque period, but  not  previous periods?

Riddle me this: i am first in earth, second in heaven, appear two times in aweekyou can only see meonce in a year, althoughi'm in the middle of sea. what am i?