| Clue | Source | Date |
|---|---|---|
| Strings in Steinways | ||
| What a baby grand's strings are made of | Universal | 03 Dec 2020 |
| Instrument's springy string | Newsday | 04 Mar 2018 |
| Part of a musical instrument made from spring steel | New York Times | 07 Nov 2017 |
| Part of a musical instrument made from spring steel | ||
| Something hammers hit | New York Times | 27 Aug 2016 |
| Steinway & Sons' line? | ||
| High-tensile steel product |