Sharing private playlists can be a fun and personal way to connect with friends and family, or to curate a specific mood or theme. Here are some best practices and tips:

1. **Curate Thoughtfully:** Make sure the songs you include in your playlist reflect the theme or mood you're trying to set. If you're sharing a playlist for a specific event, make sure the songs are appropriate for the occasion.

2. **Consider Your Audience:** If you're sharing a playlist with someone else, consider their musical tastes. If you're unsure, it might be a good idea to include a variety of genres or artists.

3. **Keep It a Manageable Length:** While it might be tempting to include every song you love, try to keep your playlist to a reasonable length. Around 20-30 songs is a good range to aim for. This keeps your playlist from becoming overwhelming and allows each song to shine.

4. **Order Your Songs:** Consider the flow of your playlist. You might want to start with more upbeat songs and then transition into slower ones, or you might want to group songs by genre or mood.

5. **Update Regularly:** If you're sharing a playlist that you want others to follow, make sure to update it regularly. This keeps your playlist fresh and gives people a reason to keep coming back.

6. **Privacy Settings:** Make sure you understand the privacy settings of the platform you're using. On some platforms, you can choose to make your playlist public, private, or unlisted (only people with the link can access).

7. **Sharing the Playlist:** Most platforms allow you to share playlists directly through their interface, or by copying and pasting a link. You can share this link via social media, email, or direct message.

8. **Include a Description:** If your platform allows, include a brief description of your playlist. This can provide context and entice others to listen.

Remember, the most important thing is that your playlist reflects you and the music you love. Happy sharing!