The default AudioClip to play.

	@script RequireComponent(AudioSource)
	public var otherClip: AudioClip;
	// Play default sound
	function Start()
	{
		audio.Play();
		// Wait for the audio to have finished
		yield WaitForSeconds (audio.clip.length);
		// Assign the other clip and play it
		audio.clip = otherClip;
		audio.Play();
	}

using UnityEngine;
using System.Collections;

[RequireComponent(typeof(AudioSource))]
public class Example : MonoBehaviour {
    public AudioClip otherClip;
    IEnumerator Start() {
        audio.Play();
        yield return new WaitForSeconds(audio.clip.length);
        audio.clip = otherClip;
        audio.Play();
    }
}

import UnityEngine
import System.Collections

[RequireComponent(typeof(AudioSource))]
public class Example(MonoBehaviour):

	public otherClip as AudioClip

	def Start() as IEnumerator:
		audio.Play()
		yield WaitForSeconds(audio.clip.length)
		audio.clip = otherClip
		audio.Play()