Red Howler harmonica microphone. It works great for harmonica's, and it sounds pretty good for your voice. I don't know the best way to use it for recording voc…
Harmonica Mics | Harp Mics | Custom Harmonica Microphones
Best Harmonica Microphone - Here's to the Best Sound Experience - YouTube
Gear for Powerful Blues Harmonica – 3 Simple Components for a Ripping Chicago Blues Tone
Harmonica Mics | Harp Mics | Custom Harmonica Microphones