Search in the Music app on Apple TV 4K
On the Search screen in the Apple Music app, you can find a specific song, artist or album in Apple Music or your library, or you can find something new by browsing search categories.
Explore categories
Go to the Music app
on Apple TV 4K.Navigate to Search
at the top of the screen.Navigate down to view categories based on genre, decade, activities like Focus or Sleep, or features like Spatial Audio or Apple Music Sing.
Select a category to explore music related to that category.
Press
or 
on your remote to return to the Search screen.
Search for a specific song, artist or album
Go to the Music app
on Apple TV 4K.Navigate to Search
at the top of the screen.Enter what you’re searching for (such as a song title or lyric).
Tip: When you want to search, simply describe what you're looking for using natural language, such as “hit songs from films” or “nostalgic songs from the ‘90s”.
Do any of the following:
Navigate down to a suggested search term, then select it to search for that term.
Navigate down to the Top Hits section, then select an item to play it or view more information.
To limit your search to items in your library, navigate to Your Library under the onscreen keyboard.
Siri: Press and hold 
on your remote, then ask Siri to play a specific song, album, artist or genre.