1. Social Media: Richie Frost may have a social media presence on platforms such as Facebook, Instagram, or Twitter. You could try searching for his name and sending him a message if he allows direct messages from the public.
2. Online Forums: There are several online forums dedicated to Rick Nelson and his music. You could join one of these forums and post a message inquiring if anyone has contact information for Richie Frost. Someone in the community might be able to help you.
3. Fan Clubs: There may be fan clubs or fan pages for Rick Nelson or Richie Frost. You could contact the administrators of these fan clubs and ask if they have any way of reaching out to Richie Frost.
4. Rick Nelson's Family and Associates: If you can find contact information for Rick Nelson's family members, band members, or former associates, they might be able to provide you with some leads on how to contact Richie Frost.
5. Music Industry Contacts: If you have connections in the music industry, you could reach out to music producers, musicians, or industry insiders who might know Richie Frost or have a way to get in touch with him.
It's important to note that Richie Frost may not want to be contacted and may prefer his privacy. If you do manage to reach out to him, be respectful and understanding of his wishes.