I think Japanese is very difficult to learn, listening to Japanese songs is a good way, in fact, you can also watch some Japanese dramas, this is a great help to learn Japanese, if you want some Japanese songs I have a few recommendations

星屑ビーナス (星尘中的维纳斯)

グランドエスケープ (逃离地面) (Movie edit)

海の幽霊 (海之幽灵)

灰色と青 (灰色与青)

In addition to that there are many, the Japanese animation music is very good to listen to and I hope my answers will help you From an unknown Internet user