Beat Duration (measured in seconds) - Sergei Prokofiev plays No. 9 from his Visions Fugitives, Op. 22

The attached files capture the varying duration of beats (measured in seconds) in Sergei Prokofiev's recorded performance of No. 9 from his own Visions Fugitives, Op. 22.
Bar numbers are included.

Recording can be found here.
Naxos Historical – 8.110670

Barcode: 6 36943 16702 1
Label Code: LC 05537

SPARS Code: ADD