Sharing for personal or educational purposes: Sharing a small portion of a copyrighted song for personal enjoyment or educational discussion may be considered fair use under copyright law, as long as it does not significantly impact the market value of the original work.
Sharing under a valid license: If you have obtained a license from the copyright holder or a platform that provides licensed music streaming, you may be able to share chart music online within the terms of that license.
Sharing in the context of news and commentary: Sharing chart music in the context of news reporting, commentary, or criticism may also be considered fair use, provided that you only share a small portion of the work and clearly credit the original artist and source.
Sharing on social media: Social media platforms may have specific policies regarding the sharing of copyrighted music. Some platforms allow users to share portions of music with proper attribution, while others may have more restrictive policies.
Creative Commons or Public Domain: Some chart music may be released under Creative Commons licenses or may be in the public domain, making it free to share without copyright restrictions.
It is important to remember that copyright laws vary by country and may have specific provisions for the sharing of copyrighted materials online. It is always best to check the copyright laws and policies of the relevant platform or jurisdiction before sharing chart music online to avoid potential copyright violations.