I'm sure that this app works for others, didn't work for us. Pasted the code, still didn't work. The main issue that was clarified from their support is that it will only play one song from an album not give 30 sec. preview of a song. If we could have gotten it to work I would have rated it higher.
We have launched a new version of app in which no configuration is required. As soon as playlist is created, music player will work automatically. Please give it a try and let me know if you go through any issues.