Violin, G major scale, up and down
A major flute scale, ascending and descending, then holding last note
Baritone saxophone, C major scale, hold last note
Tenor saxophone, G scale ascends
The 2nd Note in 15 note Balaphone scale from Ghanaian Balaphone recorded with a B2-Pro in Pro Tools.
Strumming a scale on a toy piano.
Antique scale with counterweight sliding variously 1
Antique scale with counterweight sliding and decelerating
Antique scale shifting with a squeak