Καλλιόπη means beautiful voice and she was one of the 9 Muses in Greek Mythology - I think to do with poetry and singing?
The τόνος is on the third vowel. Kal-ee-o-pee
Ιάκοβος
This is how the name Καλλιόπη sounds:
https://learn-greek-online.com/mp3/kaliopi.mp3
--------------------------------------------------------------------------------------------------------------------------- Vasiliki Baskou, Instructor/Director, https://learn-greek-online.com.