Cycling through the presets, there currently seems to be some that are off frequency wise. These are in comparison to a base simple oscillator track:
Good - Piano
Off - Piano2
Off - Basslinepluck
Off - Sawpluck
Good - Spacepiano
Good - Guitar
Good - Organ
Off - Keyboard
Good - Synth
Off - Synth2
Good - Woodblocks
Cycling through the presets, there currently seems to be some that are off frequency wise. These are in comparison to a base simple oscillator track: