https://www.nhpr.org/2011-11-23/willie-the-lion-smith-stride-pianos-uptown-ruler
The life of Willie "The Lion" Smith was the stuff of legend, but his music backs up his boasts.
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https://blueblackjazz.com/
Over 400 jazz piano sheet music : stride piano, ragtime, boogie woogie, blues piano, swing piano. Accurate jazz piano transcriptions from original recordings....
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https://freesound.org/people/Sadiquecat/sounds/754413/
Freesound: collaborative database of creative-commons licensed sound for musicians and sound lovers. Have you freed your sound today?
freesoundpianostemcatstride