In general, the rhythm song played before a meeting in a country is: Welcome March.

is orchestral music.

This piece of music is a brass ensemble written by Wei Qun and collectively created by the Military Orchestra of China People's Liberation Army.

is a warm and solemn welcome etiquette music, which is often played when welcoming guests in China. ?

Extended information:

The instruments used are:

Flute, clarinet, saxophone, trumpet, horn, alto, alto, tuba, trombone, snare drum Jr., Dajun drum and cymbal.

Welcome March is orchestral music.

References:

Baidu Encyclopedia-Welcome to the March