Creepy-Sad Ravel Progression

TS:Treble 12/16, Bass 4/4. Key: GMFree
I IV V7 viio7 N6 It6 I46 V34 V/iio7 V/I46 V7 viio7 V I
Treble plays 3 high notes hi-mid-low, bass plays 1 root note synchronously.