To download MP3s legally and support the artists, you should use official music platforms. Most contestants release their "The Voice" performances as singles:
Most countries have their own official websites and YouTube channels where you can watch performances and sometimes download official audio: programma golos mp3 skachat
The official Golos (The Voice Russia) site on Channel One provides high-quality video and audio clips of contestants. To download MP3s legally and support the artists,
Search for the contestant's name or the specific season (e.g., "The Voice Season 25"). "The Voice Season 25").