With that system, it's a grab bag which files we can find at any moment.
2015, Mark Ribowsky, Whiskey Bottles and Brand-New Cars:
There were now a grab bag of southern country-rock units with a new wrinkle—Black Oak Arkansas, for one, combined psychedelia, fifties rock, Hindu spiritualism, and gospel into “psycho-boogie,” or “raunch 'n' roll.”
A moderately large bag of crisps or other snack, intended for sharing.
A bag containing essential items, which can be easily picked up and taken in an emergency