The string appears to be a search query or a specific metadata tag used in the context of high-fidelity music archiving and digital sharing. Analysis of Terms

Conclusion The phrase likely mixes an album (Felt Mountain), an audio format (FLAC), a request for software or a macOS context (programa/mac), an unrelated film-name (Maciste), and a desire for verification. For best results: obtain the album via authorized FLAC sellers or lossless streaming, verify files using standard checksum and metadata tools, and consult Discogs/credits if you suspect any film-sample connections.