Google has built a machine-learning feature into its Search bar that allows users to find out which song is stuck in their head  simply by singing, humming, or whistling the tune. The feature was rolled out in 2024, but has recently been added to YouTube, which is also a Google product.

Answer: Shazam Music Recognition is an app that you can use to identify and find a song using a short sample of their music. You can hum the tune, whistle, or play it on another device.