| Giver | Post | Date |
| varundixitmro2512 | A certain musical scale has has 13 notes, each having a different freq | 16-Apr-2016 |
| smartarvinz | A certain musical scale has has 13 notes, each having a different freq | 16-Nov-2015 |
| aishwarya276981 | A certain musical scale has has 13 notes, each having a different freq | 30-Jul-2015 |
| MrSunrise | A certain musical scale has has 13 notes, each having a different freq | 16-Apr-2015 |
| alexeykaplin | A certain musical scale has has 13 notes, each having a different freq | 15-Apr-2015 |
| pdkgearbox | A certain musical scale has has 13 notes, each having a different freq | 16-Mar-2015 |
| gmatmonk | A certain musical scale has has 13 notes, each having a different freq | 23-Feb-2015 |
| andireiter | A certain musical scale has has 13 notes, each having a different freq | 30-Jan-2015 |
| nsrk | A certain musical scale has has 13 notes, each having a different freq | 13-Mar-2013 |
| reetskaur | A certain musical scale has has 13 notes, each having a different freq | 12-Mar-2013 |
