Historical clue formulations

• Contents of plastic sleeves or jewel cases, informally — 2026-09-22
• Cassette successors — 2026-03-04
• Shiny little platters — 2026-01-15
• Some music sales, for short — 2025-11-11
• Some pre-streaming music purchases — 2025-08-26
• Their tracks diffract light into rainbows — 2025-08-08
• Media for old music players — 2025-05-07
• Alternatives to vinyl — 2025-02-22
• Music holders in racks — 2025-02-18
• Many '90s music purchases — 2025-01-22
• Items harmed when they're scratched, but not when they're burned — 2025-01-03
• Things that were once commonly stored in towers — 2024-01-20
• Bank offerings, in brief — 2023-12-21
• Many '90s music purchases — 2023-09-10
• Bank offerings, in brief — 2023-03-13
• Burnable media — 2023-01-22
• Their sales rose in 2021 and 2022, after two decades of decline — 2023-01-21
• Obsolescent music purchases, in brief — 2022-12-12
• Some 401(k) investments, in brief — 2022-11-01
• Things once kept in towers — 2022-09-17
• AOL freebies, once — 2022-03-03
• Bank offerings, in brief — 2022-02-13
• Makeup of some music libraries — 2022-01-23
• Lasers read them from the inside out — 2022-01-04
• Their sales were surpassed again by phonograph records in 2020 — 2021-07-02
• Some investments, for short — 2021-05-03
• Investments with account nos. — 2021-03-22
• Burnable items — 2021-02-19
• Contents of some towers, in brief — 2021-01-22
• Investments of a sort, for short — 2021-01-21
• Investment options, for short — 2020-12-27
• Successors to LPs — 2020-08-09
• They're often stored in towers — 2020-07-15
• Successors to LPs — 2020-04-06
• Acct. holdings — 2020-03-22
• Audiophile's rack contents — 2020-01-07
• Music sales largely replaced by streaming, in brief — 2019-11-19
• Section of a record store — 2019-10-29
• Stack at a music store — 2019-06-22
• Forerunners of MP3s — 2019-04-21
• Contents of jewel cases, for short — 2019-03-20
• Bank offerings, for short — 2019-02-24
• Tower stack — 2019-02-02
• Streaming alternatives — 2018-09-21
• Contents of jewel cases — 2018-08-14
• Music purchases of the 1990s and early 2000s — 2018-03-07
• Investments with fixed rates, for short — 2018-02-13
• Bank offerings, for short — 2018-01-31
• Successors to LPs — 2018-01-22
• Things in jewel cases [3] — 2017-09-20