Predicting eruptions will become easier now scientists are using technology to translate the patterns in a volcano's behaviour into sound waves. Here is a volcano and lava sound collection.

This is a very simple volcano Lava sound in mobile application

Open this Free Ringtones App, you can press the Play Button to Listen to the MP3 Music Tones.
If you like one of the MP3 Music you can Set it as your Default Ringtones, Alarm Ringtones, Notification Tones or Contacts Ringtones.