The file appears to be a compressed archive (7-Zip) containing music or media related to 1970s Indonesian music or similar "Space-Age" and "Psych-Funk" genres.
A well-known deep house artist who released a track and album titled "70's Trip". 70s Trip 018.7z
While "018.7z" most strongly points to the Madrotter archive, the term "70s Trip" is also used in these musical contexts: The file appears to be a compressed archive