My Old Piano by Diana Ross first appeared on the Israeli foreign-music chart on 13 Oct 1980, entering at #21. It peaked at #8 on 10 Nov 1980. In total it spent 10 weeks on the chart, last charting on 15 Dec 1980. It also made the year-end chart: #35 of 1980.
| Wk | Date | Pos |
|---|---|---|
| 1 | 13 Oct 1980 | 21 |
| 2 | 20 Oct 1980 | 11 |
| 3 | 27 Oct 1980 | 9 |
| 4 | 3 Nov 1980 | 12 |
| 5 | 10 Nov 1980 | 8 |
| 6 | 17 Nov 1980 | 11 |
| 7 | 24 Nov 1980 | 19 |
| 8 | 1 Dec 1980 | 26 |
| 9 | 8 Dec 1980 | 35 |
| 10 | 15 Dec 1980 | 40 |