You may want a video to go with any audio that you record, or you may prefer having video feedback for you or your students. You may even want to make a music video, whatever your reason, you need to make sure that your camera will do what you want it to.
If you have a smartphone, you have a video recorder. You might also have a camera on your laptop or tablet. You can go out and purchase any kind of video camera, from small and convenient to larger and more advanced, to portable and durable.
Make sure:
If you are happy with the way your video camera records, video and audio, don't worry about changing anything. If you have good quality video but not audio:
It all depends on what your purpose for recording is:
Before you purchase anything, keep in mind the sample form for the commitment that you are making when purchasing anything.
Consider:
Check out the set ups page for suggestions on getting the best audio. For recording the video, it is ultimately up to you for what you want it to look like, and experimentation will provide the best results for you.
Here is an example of students coming together to produce a music video, using a high quality camera, free software (Garageband and iMovie), and recording equipment, and the playlist that was generated as a part of that project. You can use this playlist as a guide for purchasing equipment, and editing audio and video together and producing a final product.
This site is only for suggestions and examples on recording equipment and software and suggestions on how to set up your recording equipment, not exactly what you should buy and not exactly how to set things up. Depending on your space, equipment, and live/studio setting, you will have to experiment for the set-up that will produce your desired results. Don't be afraid to experiment and go outside of the suggestions laid out in this site.