This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
It seems like you’ve misunderstood this feature of Google Assistant. Now Playing is a pixel exclusive feature that works in the background without triggering assistant and shows the currently playing song on the lock screen and always on display. It seems like OP is trying to trigger this feature from the foreground? Which I think would be a good feature but I doubt Google would let any phone use this cause profit. So I guess this is still fitting for mildly infuriating lol
Actually, all I wanted it to do is this:

Direct image link
Which works basically like Shazam. Well, it should, at least.
I think this works by