Free images results:
 

Upright pictures, stock photos and images

 
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Hex Nuts Royalty Free Stock Image
Author: Tootles
Seaside Stock Image
Author: Abdone
Seaside Stock Photography
Author: Abdone
Meerkat Stock Photography
Author: Steveinnz
 
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Also, here are some commercial RF-licensed images that match your search criteria:  
Upright Piano Royalty Free Stock Photo
Author: Yio