How do I make random music playing?

Example when opening layout 1 : start play music 1. then,restart layout,play music 2/3/4/5/1. anyone can help me?

https://www.scirra.com/manual/126/system-expressions

choose(a, b [, c...])

IE: choose(1,2,3,4,5)

I don't know if the issue is so simple, but I can advise you to use global variable and set music to this variable, but for variable you should use choose (1,2,3,4).

SO: On start of layout set global variable value to "true"

if true

on start of layout set value music choose 1,2,3

set music to global variable music

i'm bit little confused,anyone can make the example please?

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Here's a simple example for you:

[attachment=0:16t1fvjw][/attachment:16t1fvjw]

It will randomly play a music track when the layout starts (or the music ends). It will also do a check so that it doesn't repeat a track.

No music is included, but it should work if you add music with names Track1, Track2, ..., Track5.

Nicee!! Thanks OddConfection