INMONO
| Date | Clue |
|---|---|
| 2026-02-01 | Not stereo |
| 2020-07-11 | Like early sound recordings |
| 2020-01-07 | How LPs were originally recorded |
| 2019-07-07 | How early Beatles songs were recorded |
| 2011-08-13 | Like old AM radio |
| Date | Clue |
|---|---|
| 2026-02-01 | Not stereo |
| 2020-07-11 | Like early sound recordings |
| 2020-01-07 | How LPs were originally recorded |
| 2019-07-07 | How early Beatles songs were recorded |
| 2011-08-13 | Like old AM radio |