NowPlaying
Provides details about the currently-playing track on the specified/assumed/elicited player.
The response includes the song's title, track-artist or artist name, albumartist or band name (if different to the track's artist), album type (compilation, CD single, or album), plus the year of issue (if not already inherently contained within the recording's name).
How well this works will depend heavily on the quality/detailing of your library's tags.
With internet radio stations and online music services such as Spotify/Qobuz/Deezer/Tidal, certain details may not be provided by the service, leading to a shorter response from Alexa.
Invocation options (choose based on grammar-fit):
Alexa, [ open / start / launch ] MediaServer
Alexa, [ ask / tell ] MediaServer [ to / for ] …
{song} can be any of [the] song/tune/track/number/something.
what's playing?
what's this {song}?
what {song} is this?
what {song} is playing?
what's playing right now?
what's {song} in {Player}?
what's {song} on {Player}?
what's this {song} called?
the {Player} player {song}
what's playing in {Player}?
what's playing on {Player}?
what's the {Player} {song}?
what's this player's {song}?
what's {song} in the {Player}?
what's {song} on the {Player}?
what's playing in the {Player}?
what's playing on the {Player}?
what's the name of this {song}?
what's {song} on {Player} player?
what's playing on {Player} player?
what's the {Player} player {song}?
what {song} is playing in {Player}?
what {song} is playing on {Player}?
what's {song} on the {Player} player?
what's playing on the {Player} player?
what {song} is playing in the {Player}?
what {song} is playing on the {Player}?
what {song} is playing on {Player} player?
what {song} is playing on the {Player} player?