We will introduce a site which will help you learn Japanese pronunciation on your own.
‘TSUTAERU-Hatsuon’ http://www.japanese-pronunciation.com/
There are point pronunciation checks, explanations, listening practice, and pronunciation practice movies available on this site.
If you want to study aspects of pronunciation rhythm, accent, intonation, and single sounds like “tsu”, “ra and na”, “za, zu, ze and zo”,
“ta and da”, but don’t know what to do, this is the site for you. Give it a go.