From Media Bistro:
“Want to add a sound track to your self-published book? Check out, Booktrack, a new app that will let you add music or sound effects to your eBook.
“The application is available for iOS devices and as a Chrome app. You can use it to record audio tracks and then insert them into your text. Once you do so, you can export the files to sell the title within the Booktrack community where you can also shop for books with sound effects.”
Read the rest here: APPNEWSER