Steam Community :: Guide :: What to do after 100% Completion
Decided to make a bootleg cassette of the MGS5 licensed soundtrack - not 100% 'screen accurate', but still closer than the Lost Tapes : r/metalgearsolid
Close Up: Metal Gear Solid V Original Soundtrack: The Lost Tapes
Cassette Tapes - Metal Gear Solid 5: The Phantom Pain Wiki Guide - IGN
Stumbling upon random music tapes in the desert is totally a thing, apparently! : r/metalgearsolid
MGSV: The Phantom Pain - Cassette Tapes
Cassette Tapes - Metal Gear Solid 5: The Phantom Pain Wiki Guide - IGN
Metal Gear Solid 5: The Phantom Pain Cassette Tapes Locations Guide - Video Games Blogger