Of course you’ll wait. You don’t have a choice. While you are waiting, take the opportunity to wrap your phone in strips of masking tape to give it the look of Eddie Van Halen’s famous “Frankenstrat” guitar.
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!"

Whether you use the best hold music in the world or a simple repeating jingle, hold music is worth using for one reason. Customer retention. USA Business Telephone Today held a study of 30,000 callers.They placed each on hold for one minute, but split the callers into three groups and used different hold techniques on each before measuring the results.
“The human brain reacts differently to different types of music, eliciting very specific emotional, physical, and behavioral responses, almost as if music were a map, communicating emotions to a brain even better than words. As in conversation, different inputs stimulate nearly all of the brain.”