[Icecast] Having an intro play for a fallback stream

[Steve Matzura]

On Fri, 19 Jun 2015 20:28:49 -0400, Spam Catcher
<spamcatcher447 at gmail.com> wrote:

>  I was wondering if anyone knew of a way to force Icecast to play the
>intro of a fallback stream? For example, if a live stream is active,
>then disconnects, people are routed back to a fallback stream, but it
>doesn't play the introduction I have set for that stream. It only
>plays if someone starts to listen and they start with the fallback
>stream.

Is there a way to play an intro? I've never seen reference to this in
Icecast documentation. What a fine idea that would be.