The legality of downloading non-copyright music with an MP3 converter depends on various factors and laws in different countries.
In general, music that is not protected by copyright is considered to be in the public domain and can be freely used and distributed. However, the distinction between copyright-protected and non-copyright-protected music is not always clear and it is recommended to conduct research on a specific piece of music to determine its copyright status.
Additionally, it is important to consider the source from which the music is being downloaded. If the music is being downloaded from a legitimate source, such as a website that offers non-copyright music for free, then the download is likely to be legal. However, if the music is being downloaded from an illegal source, such as a website that offers copyrighted music for download without permission from the copyright owner, then the download may be illegal.
Furthermore, the laws surrounding the use of MP3 converters also vary by country. In some countries, such as the United States, the use of MP3 converters for the purpose of converting copyright-protected music is illegal. In other countries, such as Canada, the use of MP3 converters is legal for personal use but not for commercial purposes.
In conclusion, the legality of downloading non-copyright music with an MP3 converter depends on the specific circumstances and laws in a given country. It is recommended to research the copyright status of a specific piece of music and the laws surrounding MP3 converters in one's jurisdiction before proceeding with a download.
Source: "Copyright Law" by Nolo, "Music Copyright Laws" by LegalZoom.