Why do Hainan people like to play music when riding a bike in the street?

What psychology says is obviously interesting.

It is often a character that is not prominent or ignored in other aspects.

There are many young people who like generous music. The key is tacky and vulgar taste. ..

These phenomena are not unique to Hainan, nor are they the earliest in Hainan, and they are not limited to cycling. ...

When the landlord goes to more places, he will find that this is only a phenomenon of an era and a time period.