Someone is late for the conference call, so the music starts. "Well, I've been sitting here all day," the song begins, sort of croony, with a vaguely country affect — the kind of opening that leads you to expect there is, somewhere, an ex-lover who probably isn't coming back. A certain variety of pining. But then, a few bars in, a turn: "Yes I'm waiting on this conference call, all alone. And I'm on hold, yes I'm on hold... I hope it's not all day, ey!"
This is your opportunity to demonstrate professionalism and communicate directly to your caller. You should provide as many sections as required, depending on how long you expect the average caller to be on hold. Usually, 6-10 sections of dialogue are sufficient.

For the Wagon Yard, we developed a 2-minute recording using a combination of story telling and informative narrative with music and sound effects. Be sure to listen long enough to hear the child’s voice! http://prosoundusa.com/wp-content/blogs.dir/27/files/05-18-11-Big-Surf-Waterpark-Experienced-Shark1.mp3
Your choice of male or female professional voiceover artist, you can choose both if you prefer (a small additional charge), flexibility is the key to providing you with a product that will sell, educate and promote when your client is on hold.