### Clue: Society records over 50 regular constituents (7)
### Answer: STAPLES 
 ### Explanation: Definition: regular constituents
 S(abbrev. for "Society") + TAPES(records on audio or video, well, tapes) **containing**(over) L(Roman numeral for 50).
Defn: The regular/main or important constituents of, say, a diet, as in "Rice is a staple of Asian diets".