Download a background music recognition software. The simplest one is WeChat. In Shake, click on the song, then shake the phone and bring the phone close to the source. (WeChat recognition is relatively low)

WeChat download address: /a/item?docid=2868601

There is also an APP called Cookie Hunter, download address: /a/item ?docid=2970011

Put your phone close to the source and you can identify the music directly, which is very convenient.

Music Hunter is also available, download address: /soft/item?docid=1542478&from=web_alad_6