If you found this specific filename on a third-party file-sharing site, be cautious. These archives are often used to bundle high-quality audio files for DJs, but downloading from unofficial sources can carry security risks.
Artists often post "Solid" features or radio edits on their SoundCloud profiles.
The phrase "solid feature" in this context typically refers to the music label or a specific promotion for a trance/electronic track. Based on your request, here are the details and common locations to find this release: Release Details Artist: Ellez Ria Track Title: Forever Mine
Digital (often distributed as .wav, .mp3, or in a .rar archive for promotional packs) Genre: Trance / Uplifting Trance Where to Access
Check the official pages for Solid Recordings or Solid State (depending on the specific sub-label) for official purchase links.