lost my itunes account got a new phone and new apple ID, how can i get my music back from my old account? I dont remember the info

Hi CoachBayBay,

Welcome to the Apple Community.

Apple support have articles online that may (or may not) help / guide you.

Re: lost my itunes account

Wondering if can you remember how to log-in to your old Apple ID account ?

Log-in is usually an e-mail address ... do you have the password written down / saved anywhere ?

if you have forgotten the appleID itself :

https://support.apple.com/en-gb/HT201354

if you have forgotten the appleID password:

https://support.apple.com/en-au/HT204316

Manage the list of devices that can download and play items that you've bought with your Apple ID.

https://support.apple.com/en-us/HT211816

See your purchase history for the App Store, iTunes Store and more

https://support.apple.com/en-au/HT204088

How to:

Redownload music:

Learn how to redownload music that you purchased from the iTunes Store.

https://support.apple.com/en-us/HT211816

Learn what to do if you can't re-download an item or if you can't see the item in your purchases.

https://support.apple.com/en-au/HT211842

Hope this helps you :-)