Here is a list of free online guided Meditation & Mindfulness tracks: –
Websites with list of Different types of guided tracks
Guilford Press. You have to sign up (for free) once to access their list of guided tracks.
Mindfulness Works they have a list of very good Mindfulness tracks.
Self-Compassion by Dr. Kristin Neff has a list of guided self compassion tracks
Bangor University have a long list of different guided tracks.
Individual Track
Sound Cloud has 20 minute track for turning towards difficulty. This is a useful track if your tinnitus is problematic and you can not take you attention away from it.