This is free version, you can play anytime you want. If you want to set as ringtone, notification sound, default alarm sound, you should buy pro version. https://play.google.com/store/apps/details?id=com.andromo.dev401241.app369175
9Apps 4.9
![SOLSTICE FREQUENCIES - My Song [Official Audio] screenshot 3](https://i.ytimg.com/vi/Mmg3akCjsIc/mqdefault.jpg)
