Free images results:

Upright pictures, stock photos and images


Hex Nuts Royalty Free Stock Image
Author: Tootles
Seaside Stock Photography
Author: Abdone
Meerkat Stock Photography
Author: Steveinnz
Seaside Stock Image
Author: Abdone

Also, here are some commercial RF-licensed images that match your search criteria:  
Upright Piano Royalty Free Stock Photo
Author: Yio