![Interior of an upright piano - showing the action or mechanism and the keys. Made by John Broadwood Stock Photo - Alamy Interior of an upright piano - showing the action or mechanism and the keys. Made by John Broadwood Stock Photo - Alamy](https://c8.alamy.com/comp/ERFR4C/interior-of-an-upright-piano-showing-the-action-or-mechanism-and-the-ERFR4C.jpg)
Interior of an upright piano - showing the action or mechanism and the keys. Made by John Broadwood Stock Photo - Alamy
![Action mechanics close up inside of an upright piano. Pattern of keys, shanks, hammers and strings Stock Photo - Alamy Action mechanics close up inside of an upright piano. Pattern of keys, shanks, hammers and strings Stock Photo - Alamy](https://c8.alamy.com/comp/G69171/action-mechanics-close-up-inside-of-an-upright-piano-pattern-of-keys-G69171.jpg)
Action mechanics close up inside of an upright piano. Pattern of keys, shanks, hammers and strings Stock Photo - Alamy
![Action mechanics close up inside of an upright piano. Pattern of keys, shanks, hammers and strings Stock Photo - Alamy Action mechanics close up inside of an upright piano. Pattern of keys, shanks, hammers and strings Stock Photo - Alamy](https://c8.alamy.com/comp/G6917K/action-mechanics-close-up-inside-of-an-upright-piano-pattern-of-keys-G6917K.jpg)
Action mechanics close up inside of an upright piano. Pattern of keys, shanks, hammers and strings Stock Photo - Alamy
![Dismantled upright piano stripped from front doors and fall showing inner mechanisms and strings Stock Photo - Alamy Dismantled upright piano stripped from front doors and fall showing inner mechanisms and strings Stock Photo - Alamy](https://c8.alamy.com/comp/G7NR5N/dismantled-upright-piano-stripped-from-front-doors-and-fall-showing-G7NR5N.jpg)