Precise Temperament Tuning 432 x 528 for Ableton - Precise Temperament Tuning for Ableton Live and Push - Two .ascl files for the most harmonic ancient tuning system made of two sets of tunings, one around 432 HZ and another at 528 HZ. The two tunings complement and work incredibly together. These are the two most harmonic tuning systems you can come across as calculated by Dr. Robert E Grant. These .ascl files are only compatible with Ableton Live 12 and Ableton Push.