There is a very wide variety of resources that might be helpful to a music learner. The usefulness of any particular resource depends on its availability, trustworthiness, understandability, and relevance in the learner's current situation.
This Inquiry into Music: Course Home-style module guides you through the process of locating and evaluating resources that might be useful in an inquiry about music. It is meant to serve both as practice in how to do a formal inquiry and also as a specific orientation to the Investigate step of an inquiry. After doing this inquiry, you should have a better idea of the types of resources that will be available and useful to you in your own inquiries about music.