![a.w.piano](https://i0.wp.com/howtotunepianos.com/wp-content/uploads/2020/06/a.w.piano_.png?resize=325%2C180&ssl=1)
![a.w.octave-marks](https://i0.wp.com/howtotunepianos.com/wp-content/uploads/2020/06/a.w.octave-marks.png?resize=755%2C137&ssl=1)
![a.e.stretch-mark](https://i0.wp.com/howtotunepianos.com/wp-content/uploads/2020/06/a.e.stretch-mark.png?resize=755%2C108&ssl=1)
The following recordings are the total recordings of all the intervals submitted, starting with the M3/M10 and m3/M6 intervals for the octaves, ending with the intervals in the Stretch Window.
Stretch Intervals - Unfiltered
Stretch Intervals - Filtered
![A.W.Stretch graphs](https://i0.wp.com/howtotunepianos.com/wp-content/uploads/2020/06/A.W.Stretch-graphs.png?resize=755%2C420&ssl=1)
![a.w.stretch graphic](https://i0.wp.com/howtotunepianos.com/wp-content/uploads/2020/06/a.w.stretch-graphic.png?resize=755%2C394&ssl=1)