I realize this is quite obscure...but I'm gonna do it anyway. Measure 52 of Velocities, the treble stave is clearly marked Right hand, and the bass stave is Left, yet on the 5th beat of the measure (in 7/8 time) a third note appears (A natural) on the bass stave, yet attached to the chord belonging to the treble stave. I originally thought this would just be done with the Left hand, yet at tempo, this is exceedingly difficult and doesn't seem correct. It is the only time this happens, so I'm guessing typo. Thanks for anyone who has decided to read this far, George Nickson

Yes, it's a mistake. (see m. 54 and 57)