1
Open YouTube Music with the button below
The first track starts playing full screen
2
Swipe up on the player
The track list ("Untitled List") appears
3
Tap "Save" at the top right of the list
"Save songs to playlist" opens
4
Create with "+ New playlist"
Name it and it stays in your library (or add to an existing list)
⚠️ The list is temporary until saved. If you close without saving, come back here to open it again.
Open YouTube Music ▶