I occasionally have been hired to do voiceovers, on-hold messages, online demos and even to create background music.
Here’s an example of an online demo I did for a product that was never launched. Its purpose was to demonstrate how an existing security wrapper (DirectRM) could be put around an existing open-source application. I composed the music and did the recording using ScreenFlow 2.1.3.
Click on the image below to start.
Here’s an example of an on-hold message where I used the same background music.