Fine Tuning Piano Service and Repair - The red felt is a strip mute. I mute the two outside strings and tune the centre string to pitch. Then remove the strip mute
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A close view of the mechanic of an upright piano, with tuning hitch pins, hammer heads, the vibrating strings and the soft mute (sordino) felt cloth Stock Photo - Alamy
![A close view of the mechanic of an upright piano, with tuning hitch pins, hammer heads, the vibrating strings and the soft mute (sordino) felt cloth Stock Photo - Alamy A close view of the mechanic of an upright piano, with tuning hitch pins, hammer heads, the vibrating strings and the soft mute (sordino) felt cloth Stock Photo - Alamy](https://c8.alamy.com/comp/RA229Y/a-close-view-of-the-mechanic-of-an-upright-piano-with-tuning-hitch-pins-hammer-heads-the-vibrating-strings-and-the-soft-mute-sordino-felt-cloth-RA229Y.jpg)
A close view of the mechanic of an upright piano, with tuning hitch pins, hammer heads, the vibrating strings and the soft mute (sordino) felt cloth Stock Photo - Alamy
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![A close view of the mechanic of an upright piano, with tuning hitch pins, hammer heads, the vibrating strings and the soft mute (sordino) felt cloth Stock Photo | Adobe Stock A close view of the mechanic of an upright piano, with tuning hitch pins, hammer heads, the vibrating strings and the soft mute (sordino) felt cloth Stock Photo | Adobe Stock](https://as2.ftcdn.net/v2/jpg/02/41/13/99/1000_F_241139906_WPd9qMnZfLarV2sZIGCOMp4fVM7mvpWI.jpg)
A close view of the mechanic of an upright piano, with tuning hitch pins, hammer heads, the vibrating strings and the soft mute (sordino) felt cloth Stock Photo | Adobe Stock
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