I have been studying Latin for 5 years. I would like to recommend you some music that I often use when practicing dance at home.

Yang Yu-Latin Dance Music-Cha Cha 19 This It is relatively slow and very nice, suitable for beginners

Yang Yu_Latin Dance Music_Cha Cha 18 We often use this one. If the speed is also strangely slow, you can search it in QQ Music

I Gotta Feeling is also pretty good, medium tempo,

Angelina Cha Cha can be found in QQ Music, the tempo is very slow,

National Standard Dance gb0172 National Standard Latin Dance Hall Just play the Cha Cha group dance in QQ Music like this

These are often used in our dances and competitions, and they sound very good. I hope they will be helpful to you. I wish you better Latin dance,